APA način citiranja (7. izdanje)
Hopkins, C. D. (1980). Understanding educational research: An inquiry approach. Merrill.
Čikaški stil citiranja (17. izdanje)
Hopkins, Charles D. Understanding Educational Research: An Inquiry Approach. Columbus, Ohio: Merrill, 1980.
MLA način citiranja (9. izdanje)
Hopkins, Charles D. Understanding Educational Research: An Inquiry Approach. Merrill, 1980.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.