Dyfyniad APA

Ryans, J. K., & Baker, J. C. (1967). World marketing: A multinational approach. New York: John Wiley & Sons.

Dyfyniad Arddull Chicago

Ryans, John K., và James C. Baker. World Marketing: A Multinational Approach. New York: John Wiley & Sons, 1967.

Dyfyniad MLA

Ryans, John K., và James C. Baker. World Marketing: A Multinational Approach. New York: John Wiley & Sons, 1967.

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