Punch, K. (2006). Developing effective research proposals (2nd ed.). SAGE.
Cita Chicago Style (17a ed.)Punch, Keith. Developing Effective Research Proposals. 2nd ed. London ; Thousand Oaks: SAGE, 2006.
Cita MLA (8a ed.)Punch, Keith. Developing Effective Research Proposals. 2nd ed. SAGE, 2006.
Precaución: Estas citas no son 100% exactas.