Cita APA

Leedy, P. D. (2001). Practical research: Planning and design. Merrill Prentice Hall.

Chicago Style Citation

Leedy, Paul D. Practical Research: Planning and Design. Merrill Prentice Hall, 2001.

Cita MLA

Leedy, Paul D. Practical Research: Planning and Design. Merrill Prentice Hall, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.