APA-referens (7:e uppl.)

Shields, H. G., & Wilson, W. H. (1936). Workbook for use with Business-economic problems. South-western Publishing Co..

Chicago-referens (17:e uppl.)

Shields, Harold Gustav, och William Harmon Wilson. Workbook for Use with Business-economic Problems. [Cincinnati : New York, etc.: South-western Publishing Co., 1936.

MLA-referens (8:e uppl.)

Shields, Harold Gustav, och William Harmon Wilson. Workbook for Use with Business-economic Problems. South-western Publishing Co., 1936.