Niven, W., & Ohman, A. (1964). Basic accounting procedures. Prentice-Hall.
Cita Chicago (17th ed.)Niven, William, i Anka Ohman. Basic Accounting Procedures. Englewood Cliffs, N.J: Prentice-Hall, 1964.
Cita MLA (9th ed.)Niven, William, i Anka Ohman. Basic Accounting Procedures. Prentice-Hall, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.