Elwell, F. H., Zelliot, E. A., & Good, H. I. (1939). Personal and business record-keeping. Ginn and Company.
Chicago-viite (17. p.)Elwell, Fayette H., Ernest Adolph Zelliot, ja Harrys I. Good. Personal and Business Record-keeping. Boston : New York [etc.]: Ginn and Company, 1939.
MLA-viite (8. p.)Elwell, Fayette H., et al. Personal and Business Record-keeping. Ginn and Company, 1939.
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