Dyfyniad APA

Shajahan, S. (2004). Relationship marketing. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Shajahan, S. Relationship Marketing. New York: McGraw-Hill, 2004.

Dyfyniad MLA

Shajahan, S. Relationship Marketing. New York: McGraw-Hill, 2004.

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