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