Dyfyniad APA

Futrell, C. M. (2007). ABC's of relationship selling through service. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Futrell, Charles M. ABC's of Relationship Selling Through Service. New York: McGraw-Hill, 2007.

Dyfyniad MLA

Futrell, Charles M. ABC's of Relationship Selling Through Service. New York: McGraw-Hill, 2007.

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