Cita APA (7th ed.)

Gray, D. (2018). Doing research in the real world (4th edition.). Sage Pub.

Cita Chicago (17th ed.)

Gray, David. Doing Research in the Real World. 4th edition. Thousand Oaks, CA: Sage Pub, 2018.

Cita MLA (9th ed.)

Gray, David. Doing Research in the Real World. 4th edition. Sage Pub, 2018.