APA-referens (7:e uppl.)

Crowdis, D. G., Shelley, S. M., & Wheeler, B. W. (1976). Calculus for business, biology, and the social sciences (2d ed.). Glencoe Press.

Chicago-referens (17:e uppl.)

Crowdis, David G., Susanne M. Shelley, och Brandon W. Wheeler. Calculus for Business, Biology, and the Social Sciences. 2d ed. Beverly Hills, Calif.: Glencoe Press, 1976.

MLA-referens (9:e uppl.)

Crowdis, David G., et al. Calculus for Business, Biology, and the Social Sciences. 2d ed. Glencoe Press, 1976.