Dyfyniad APA

Grewal Dhruv, & Levy Michael. (2009). Marketing. American: Mc Graw Hill.

Dyfyniad Arddull Chicago

Grewal Dhruv, và Levy Michael. Marketing. American: Mc Graw Hill, 2009.

Dyfyniad MLA

Grewal Dhruv, và Levy Michael. Marketing. American: Mc Graw Hill, 2009.

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