Dyfyniad APA
Kurtz, D. L., & Clow, K. E. (1998). Services marketing. J. Wiley & Sons.
Dyfyniad Arddull Chicago
Kurtz, David L., and Kenneth E. Clow. Services Marketing. New York, NY: J. Wiley & Sons, 1998.
Dyfyniad MLA
Kurtz, David L., and Kenneth E. Clow. Services Marketing. J. Wiley & Sons, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.