Cita APA (7th ed.)

Needles, B. E. (1987). Principles of accounting (3ª ed.). Houghton Mifflin.

Cita Chicago (17th ed.)

Needles, Belverd E. Principles of Accounting. 3ª ed. Houghton Mifflin, 1987.

Cita MLA (9th ed.)

Needles, Belverd E. Principles of Accounting. 3ª ed. Houghton Mifflin, 1987.

Atenció: Aquestes cites poden no estar 100% correctes.