APA-referens (7:e uppl.)

Brewer, J. M., Hurlbut, F., & Caseman, J. (1935). Key and Manual: To accompany Elements of business training new edition and workbook. Ginn and Company.

Chicago-referens (17:e uppl.)

Brewer, John M., Floyd Hurlbut, och Juvenilia Caseman. Key and Manual: To Accompany Elements of Business Training New Edition and Workbook. [Boston]: Ginn and Company, 1935.

MLA-referens (8:e uppl.)

Brewer, John M., et al. Key and Manual: To Accompany Elements of Business Training New Edition and Workbook. Ginn and Company, 1935.