Cita APA (7a ed.)

McBurney, D. H. (2001). Research methods (Fifth edition.). Cengage Learning.

Cita Chicago Style (17a ed.)

McBurney, Donald H. Research Methods. Fifth edition. Belmont, CA: Cengage Learning, 2001.

Cita MLA (8a ed.)

McBurney, Donald H. Research Methods. Fifth edition. Cengage Learning, 2001.