Cita APA (7a ed.)
Leedy, P. D. (1974). Practical research: Planning and design. Macmillan.
Cita Chicago Style (17a ed.)
Leedy, Paul D. Practical Research: Planning and Design. New York: Macmillan, 1974.
Cita MLA (9a ed.)
Leedy, Paul D. Practical Research: Planning and Design. Macmillan, 1974.
Precaución: Estas citas no son 100% exactas.