APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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