Dyfyniad APA

Grewal, D., & Dhruv Grewal; Michael Levy. Marketing. New York: McGraw Hill/Irwin.

Dyfyniad Arddull Chicago

Grewal, Dhruv, và Dhruv Grewal; Michael Levy. Marketing. New York: McGraw Hill/Irwin.

Dyfyniad MLA

Grewal, Dhruv, và Dhruv Grewal; Michael Levy. Marketing. New York: McGraw Hill/Irwin.

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