APA-viite (7. p.)

Punch, K. (2006). Developing effective research proposals (2nd ed.). SAGE.

Chicago-viite (17. p.)

Punch, Keith. Developing Effective Research Proposals. 2nd ed. London ; Thousand Oaks: SAGE, 2006.

MLA-viite (8. p.)

Punch, Keith. Developing Effective Research Proposals. 2nd ed. SAGE, 2006.