Dyfyniad APA

Grewal, D. (2010). Marketing. New York: McGraw-Hill Education.

Dyfyniad Arddull Chicago

Grewal, Dhruv. Marketing. New York: McGraw-Hill Education, 2010.

Dyfyniad MLA

Grewal, Dhruv. Marketing. New York: McGraw-Hill Education, 2010.

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