Dyfyniad APA

Dooley, A. R. (1968). Basic problems: Concepts and techniques. Wiley Eastern.

Dyfyniad Arddull Chicago

Dooley, Arch R. Basic Problems: Concepts and Techniques. New York: Wiley Eastern, 1968.

Dyfyniad MLA

Dooley, Arch R. Basic Problems: Concepts and Techniques. Wiley Eastern, 1968.

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