Cita APA (7th ed.)

Punch, K. F. (2016). Developing effective research proposals (3rd edition.). Sage.

Cita Chicago (17th ed.)

Punch, Keith F. Developing Effective Research Proposals. 3rd edition. Los Angeles: Sage, 2016.

Cita MLA (9th ed.)

Punch, Keith F. Developing Effective Research Proposals. 3rd edition. Sage, 2016.