Dyfyniad APA

B.R. Bugelski. (1961). Introduction to the principles of psychology. Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

B.R. Bugelski. Introduction to the Principles of Psychology. New york: Holt, Rinehart and Winston, 1961.

Dyfyniad MLA

B.R. Bugelski. Introduction to the Principles of Psychology. Holt, Rinehart and Winston, 1961.

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