Dyfyniad APA

Turnbull, P. W., & Cunningham, M. T. (1981). International Markeiting and Purchasing.

Dyfyniad Arddull Chicago

Turnbull, Peter W., and Malcolm T. Cunningham. International Markeiting and Purchasing. :, 1981.

Dyfyniad MLA

Turnbull, Peter W., and Malcolm T. Cunningham. International Markeiting and Purchasing. 1981.

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