.Williams, R. I., & Doris, L. (1956). Encyclopedia of accounting systems. Prentice-Hall.
Čikaški stil citiranja (17. izdanje).Williams, Robert I., i Lillian Doris. Encyclopedia of Accounting Systems. .Englewood Cliffs, N.J: Prentice-Hall, 1956.
MLA način citiranja (9. izdanje).Williams, Robert I., i Lillian Doris. Encyclopedia of Accounting Systems. Prentice-Hall, 1956.