Cita APA (7th ed.)

Gray David E. (2009). Doing Research in the Real World (2nd.). Sage Pub.

Cita Chicago (17th ed.)

Gray David E. Doing Research in the Real World. 2nd. London: Sage Pub, 2009.

Cita MLA (9th ed.)

Gray David E. Doing Research in the Real World. 2nd. Sage Pub, 2009.