Dyfyniad APA

Keith F Punch. (2016). Developing effective research proposals (3rd edition.). Sage.

Dyfyniad Arddull Chicago

Keith F Punch. Developing Effective Research Proposals. 3rd edition. London: Sage, 2016.

Dyfyniad MLA

Keith F Punch. Developing Effective Research Proposals. 3rd edition. Sage, 2016.

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