Gaya APA

Punch, K, F. (2006). Developing Effective Research Proposals (Ed.2) (Ed.2). London: Sage Publications.Inc..

Gaya MLA

Punch, Keith, F. "Developing Effective Research Proposals (Ed.2)". Ed.2 London: Sage Publications.Inc., 2006. PASCA-ILMU PEMERINTAHAN.