Dyfyniad APA
Hermanson, R. H., Edwards, J. D., & Salmonson, R. (1989). Accounting principles (4th ed.). Richard D. Irwin.
Dyfyniad Arddull Chicago
Hermanson, Roger H., James Don Edwards, and R.F Salmonson. Accounting Principles. 4th ed. Homewood: Richard D. Irwin, 1989.
Dyfyniad MLA
Hermanson, Roger H., et al. Accounting Principles. 4th ed. Richard D. Irwin, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.