APA način citiranja (7. izdanje)
Leedy, P. D. (1993). Practical research: Planning and design (5th ed.). Macmillan publishing company.
Čikaški stil citiranja (17. izdanje)
Leedy, Paul D. Practical Research: Planning and Design. 5th ed. New York: Macmillan publishing company, 1993.
MLA način citiranja (9. izdanje)
Leedy, Paul D. Practical Research: Planning and Design. 5th ed. Macmillan publishing company, 1993.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.