Dyfyniad APA

HELMKAMP, IMDIEKE, & SMITH. (1986). Principles of accounting.-- ed.2. John Wiley and Sons.

Dyfyniad Arddull Chicago

HELMKAMP, IMDIEKE, and SMITH. Principles of Accounting.-- Ed.2. New York: John Wiley and Sons, 1986.

Dyfyniad MLA

HELMKAMP, et al. Principles of Accounting.-- Ed.2. John Wiley and Sons, 1986.

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