APA (7e ed.) Bronvermelding

Sorenson, H., & Malm, M. (1957). Psychology for living (2a. ed.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Sorenson, Herbert, en Marguerite Malm. Psychology for Living. 2a. ed. Nueva York: McGraw-Hill, 1957.

MLA (9e ed.) Bronvermelding

Sorenson, Herbert, en Marguerite Malm. Psychology for Living. 2a. ed. McGraw-Hill, 1957.