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.