APA-referens (7:e uppl.)

Irons, W. H. (1942). Commercial credit and collection practice. Ronald Press.

Chicago-referens (17:e uppl.)

Irons, Watrous Henry. Commercial Credit and Collection Practice. New York: Ronald Press, 1942.

MLA-referens (9:e uppl.)

Irons, Watrous Henry. Commercial Credit and Collection Practice. Ronald Press, 1942.