Dyfyniad APA

Berry, R. (1994). The research project: How to write it (3rd.). Roultdge.

Dyfyniad Arddull Chicago

Berry, Ralph. The Research Project: How to Write It. 3rd. London: Roultdge, 1994.

Dyfyniad MLA

Berry, Ralph. The Research Project: How to Write It. 3rd. Roultdge, 1994.

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