Dyfyniad APA

Punnett, B. J., & Ricks, D. A. (1992). International business. Pws - Kent Pub. Co..

Dyfyniad Arddull Chicago

Punnett, Betty Jane, and David A. Ricks. International Business. Boston: Pws - Kent Pub. Co., 1992.

Dyfyniad MLA

Punnett, Betty Jane, and David A. Ricks. International Business. Pws - Kent Pub. Co., 1992.

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