APA-referens (7:e uppl.)

Babson, R. W. (1923). Business fundamentals: How to become a successful business man. B.C. Forbes Pub. Co.

Chicago-referens (17:e uppl.)

Babson, Roger Ward. Business Fundamentals: How to Become a Successful Business Man. New York: B.C. Forbes Pub. Co, 1923.

MLA-referens (8:e uppl.)

Babson, Roger Ward. Business Fundamentals: How to Become a Successful Business Man. B.C. Forbes Pub. Co, 1923.