APA-referens (7:e uppl.)

Tolbert, E. M. (1959). Introduction to counseling. McGraw-Hill.

Chicago-referens (17:e uppl.)

Tolbert, E. M. Introduction to Counseling. Nueva York: McGraw-Hill, 1959.

MLA-referens (9:e uppl.)

Tolbert, E. M. Introduction to Counseling. McGraw-Hill, 1959.