.Williams, R. I., & Doris, L. (1956). Encyclopedia of accounting systems. Prentice-Hall.
Chicago-čujuhus (17. p.).Williams, Robert I., juo Lillian Doris. Encyclopedia of Accounting Systems. .Englewood Cliffs, N.J: Prentice-Hall, 1956.
MLA-čujuhus (9. p.).Williams, Robert I., juo Lillian Doris. Encyclopedia of Accounting Systems. Prentice-Hall, 1956.
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