APA stil citiranja

Leedy, P. D. (1993). Practical research: Practical research : planning and design (5th ed.). New York [etc.]: Macmillan Publishing Company [etc.].

Chicago stil citiranja

Leedy, Paul D. Practical research: Practical research : planning and design. 5th ed. New York [etc.]: Macmillan Publishing Company [etc.], 1993.

MLA stil citiranja

Leedy, Paul D. Practical research: Practical research : planning and design. 5th ed. New York [etc.]: Macmillan Publishing Company [etc.], 1993.