APA (7e ed.) Bronvermelding

Elwell, F. H., Zelliot, E. A., & Good, H. I. (1939). Personal and business record-keeping. Ginn and Company.

Chicago (17e ed.) Bronvermelding

Elwell, Fayette H., Ernest Adolph Zelliot, en Harrys I. Good. Personal and Business Record-keeping. Boston : New York [etc.]: Ginn and Company, 1939.

MLA (8e ed.) Bronvermelding

Elwell, Fayette H., et al. Personal and Business Record-keeping. Ginn and Company, 1939.