Cita APA (7th ed.)

Berry, R. (1994). The research project: How to write it (3rd ed.). Routledge.

Cita Chicago (17th ed.)

Berry, Ralph. The Research Project: How to Write It. 3rd ed. London ; New York, NY: Routledge, 1994.

Cita MLA (9th ed.)

Berry, Ralph. The Research Project: How to Write It. 3rd ed. Routledge, 1994.