APA način citiranja (7. izdanje)

Leedy, P. D. (1980). Practical research: Planning and Desgn (2nd ed.). Macmillan.

Čikaški stil citiranja (17. izdanje)

Leedy, Paul D. Practical Research: Planning and Desgn. 2nd ed. New York: Macmillan, 1980.

MLA način citiranja (9. izdanje)

Leedy, Paul D. Practical Research: Planning and Desgn. 2nd ed. Macmillan, 1980.