Dyfyniad APA

Helmkamp, J. G., Imdieke, L. F., & Smith, R. E. (1983). Principles of accounting. John Wiley & Sons.

Dyfyniad Arddull Chicago

Helmkamp, John G., Leroy F. Imdieke, and Ralph E. Smith. Principles of Accounting. New York: John Wiley & Sons, 1983.

Dyfyniad MLA

Helmkamp, John G., et al. Principles of Accounting. John Wiley & Sons, 1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.