APA استشهاد

Patty C. Robert & Vredenburg, H. L. (1969). Readings in global marketing management. Appleton Century.

استشهاد بنمط شيكاغو

Patty C. Robert و Harvey L. Vredenburg. Readings in Global Marketing Management. U S A: Appleton Century, 1969.

MLA استشهاد

Patty C. Robert و Harvey L. Vredenburg. Readings in Global Marketing Management. Appleton Century, 1969.