Cita APA (7th ed.)
Needles, B. E. (1990). Principles of Accounting (4th ed.). Houghton Mifflin Co..
Cita Chicago (17th ed.)
Needles, Belverd E. Principles of Accounting. 4th ed. Boston: Houghton Mifflin Co., 1990.
Cita MLA (9th ed.)
Needles, Belverd E. Principles of Accounting. 4th ed. Houghton Mifflin Co., 1990.
Atenció: Aquestes cites poden no estar 100% correctes.