Dyfyniad APA

Parasuraman, A. (2007). Marketing ResearchA.Parasuraman, Dhruv Grewal and R. Krishnan. Houghton Mifflin.

Dyfyniad Arddull Chicago

Parasuraman, A. Marketing ResearchA.Parasuraman, Dhruv Grewal and R. Krishnan. Houghton Mifflin, 2007.

Dyfyniad MLA

Parasuraman, A. Marketing ResearchA.Parasuraman, Dhruv Grewal and R. Krishnan. Houghton Mifflin, 2007.

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