.Williams, R. I., & Doris, L. (1956). Encyclopedia of accounting systems. Prentice-Hall.
Chicago Style (17. basım) Atıf.Williams, Robert I., ve Lillian Doris. Encyclopedia of Accounting Systems. .Englewood Cliffs, N.J: Prentice-Hall, 1956.
MLA (9th ed.) Atıf.Williams, Robert I., ve Lillian Doris. Encyclopedia of Accounting Systems. Prentice-Hall, 1956.