Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.