APA citiranje

Zeithaml Valarie A, Bitner Mary Jo, & Gremler Dwayne D. (2005). Services Marketing. American: McGraw -Hill.

Trích dẫn kiểu Chicago

Zeithaml Valarie A, Bitner Mary Jo, và Gremler Dwayne D. Services Marketing. American: McGraw -Hill, 2005.

MLA citiranje

Zeithaml Valarie A, Bitner Mary Jo, và Gremler Dwayne D. Services Marketing. American: McGraw -Hill, 2005.