Cita APA

Berry, R. (2004). The research project: How to write it (5th ed.). London ; New York, NY: Routledge.

Citación estilo Chicago

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

Cita MLA

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