Cita APA (7a ed.)

Punch, K. (2012). Developing effective research proposals (2nd ed., (repr.).). Sage.

Cita Chicago Style (17a ed.)

Punch, Keith. Developing Effective Research Proposals. 2nd ed., (repr.). Los Angeles [etc.]: Sage, 2012.

Cita MLA (9a ed.)

Punch, Keith. Developing Effective Research Proposals. 2nd ed., (repr.). Sage, 2012.