Dyfyniad APA

Punch, K. (2016). Developing effective research proposals. London: Sage.

Dyfyniad Arddull Chicago

Punch, Keith. Developing Effective Research Proposals. London: Sage, 2016.

Dyfyniad MLA

Punch, Keith. Developing Effective Research Proposals. London: Sage, 2016.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.