Perrin, R. (2005). Handbook for college research (3rd ed.). Houghton Mifflin Company.
Cita Chicago Style (17a ed.)Perrin, Robert. Handbook for College Research. 3rd ed. Boston, New York: Houghton Mifflin Company, 2005.
Cita MLA (9a ed.)Perrin, Robert. Handbook for College Research. 3rd ed. Houghton Mifflin Company, 2005.
Precaución: Estas citas no son 100% exactas.