Just be sure to give the reader enough information to be able to match the in text reference to the citation in the reference list. In this case, use paragraph numbers preceded by the abbreviation 'para.' (Rule 6.05 pp. If a source contains neither page nor paragraph numbers, cite the heading (shorten the heading if it is long) (Rule 6.05 pp. The list of sources at the end of the paper (bibliography) is called the reference list in APA.
The reference list must include all references cited in the text of your paper.
If you have multiple publications by one author from different years order them earliest to latest: Smith, J. Second and subsequent lines of each entry are indented 5-7 spaces.
Double-space between all lines of your work, including references.
Number all pages consecutively, beginning with the title page, in Arabic numerals (e.g., 4, not IV) in the upper right-hand corner (Rule 8.03, p. You need to cite and document any sources that you have consulted, even if you presented the ideas from these sources in your own words.
You need to cite to identify other people's ideas and information used within your essay and to inform the reader of your paper where they should look if they want to find the same sources.
To find a DOI a helpful tool is crossref.org's DOI Lookup.
However, many common business sources do not have DOIs.
In many databases like Business Source Complete you will find the publisher's URL at the bottom of the 'publication details' or 'source' page for the article, industry report, etc... If you are getting information from a database that collects information that is unique or has limited circulation, like the Print Management Bureau, then you would use the database's URL instead and your retrieval statement would look like this: For more information, see section 6.32, pp.
189 - 192 and the APA Style Blog DOI & URL Flowchart.