Dyfyniad APA

Tull,Donald S, & Albaum,Gerald S. (1973). Survey research: A decisional approach. Intext Educational Publishers.

Dyfyniad Arddull Chicago

Tull,Donald S, and Albaum,Gerald S. Survey Research: A Decisional Approach. New York: Intext Educational Publishers, 1973.

Dyfyniad MLA

Tull,Donald S, and Albaum,Gerald S. Survey Research: A Decisional Approach. Intext Educational Publishers, 1973.

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