Cita APA

Gray, D. E. (2009). Doing research in the real world (2nd ed.). Sage.

Citación estilo Chicago

Gray, David Edward. Doing Research in the Real World. 2nd ed. Los Angeles, Calif: Sage, 2009.

Cita MLA

Gray, David Edward. Doing Research in the Real World. 2nd ed. Sage, 2009.