Dyfyniad APA

Jones, H., & Jones, R. (1964). Groundwork of commerce (3rd ed.). Edward Arnold Publishers.

Dyfyniad Arddull Chicago

Jones, H.L, and R.P Jones. Groundwork of Commerce. 3rd ed. London: Edward Arnold Publishers, 1964.

Dyfyniad MLA

Jones, H.L, and R.P Jones. Groundwork of Commerce. 3rd ed. Edward Arnold Publishers, 1964.

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