APA引文

Leedy, P. D. (1992). Practical research: Planning and design (5th ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Leedy, Paul D. Practical Research: Planning and Design. 5th ed. New Jersey: Prentice Hall, 1992.

MLA引文

Leedy, Paul D. Practical Research: Planning and Design. 5th ed. Prentice Hall, 1992.