Cita APA (7a ed.)

Berry, R. (2004). The research project: How to write it (5th ed.). Routledge.

Cita Chicago Style (17a ed.)

Berry, Ralph. The Research Project: How to Write It. 5th ed. London ; New York, NY: Routledge, 2004.

Cita MLA (9a ed.)

Berry, Ralph. The Research Project: How to Write It. 5th ed. Routledge, 2004.