APA-referens (7:e uppl.)

Gallagher, R. P. (1930). Courses and careers. Harper & brothers.

Chicago-referens (17:e uppl.)

Gallagher, Ralph P. Courses and Careers. New York : London: Harper & brothers, 1930.

MLA-referens (8:e uppl.)

Gallagher, Ralph P. Courses and Careers. Harper & brothers, 1930.