Dyfyniad APA

YOFFIE, D. (1994). International Trade And Competition. McGraw-Hill.

Dyfyniad Arddull Chicago

YOFFIE, David. International Trade And Competition. McGraw-Hill, 1994.

Dyfyniad MLA

YOFFIE, David. International Trade And Competition. McGraw-Hill, 1994.

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