Cita APA (7th ed.)
Berry, R. (2000). The Research project: How to write it (4th ed.). Routledge.
Cita Chicago (17th ed.)
Berry, Ralph. The Research Project: How to Write It. 4th ed. London [etc.]: Routledge, 2000.
Cita MLA (9th ed.)
Berry, Ralph. The Research Project: How to Write It. 4th ed. Routledge, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.