Dyfyniad APA

Kurtz, D. L., & Clow, E. K. (1998). Services marketing. John Wiley & Sons.

Dyfyniad Arddull Chicago

Kurtz, David L., and E. Kenneth Clow. Services Marketing. New York: John Wiley & Sons, 1998.

Dyfyniad MLA

Kurtz, David L., and E. Kenneth Clow. Services Marketing. John Wiley & Sons, 1998.

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