APA (7. basım) Alıntı

Leedy, P. D. (1985). Practical Research: Planning and design (3rd.ed.). Macmillan.

Chicago Style (17. basım) Atıf

Leedy, Paul D. Practical Research: Planning and Design. 3rd.ed. New York: Macmillan, 1985.

MLA (9th ed.) Atıf

Leedy, Paul D. Practical Research: Planning and Design. 3rd.ed. Macmillan, 1985.