APA (7e ed.) Bronvermelding

Bourne , L. E., & Ekstrand , B. R. (1981). Psychology: Its principles and meanings (4th ed.). Holt, Rrinehart and Winston.

Chicago (17e ed.) Bronvermelding

Bourne , Lyle E., en Bruce R. Ekstrand. Psychology: Its Principles and Meanings. 4th ed. New York: Holt, Rrinehart and Winston, 1981.

MLA (9e ed.) Bronvermelding

Bourne , Lyle E., en Bruce R. Ekstrand. Psychology: Its Principles and Meanings. 4th ed. Holt, Rrinehart and Winston, 1981.