Dyfyniad APA

Williams, C. T. (1979). Elements of research: A guide for writers. Alfred.

Dyfyniad Arddull Chicago

Williams, Carol T. Elements of Research: A Guide for Writers. Sherman Oaks: Alfred, 1979.

Dyfyniad MLA

Williams, Carol T. Elements of Research: A Guide for Writers. Alfred, 1979.

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