Fisk, R. P., Grove, S. J. 1., & John, J. (2000). Interactive services marketing. Boston: Houghton Mifflin.
Dyfyniad Arddull ChicagoFisk, Raymond P., Stephen J. 1950- Grove, và Joby John. Interactive Services Marketing. Boston: Houghton Mifflin, 2000.
Dyfyniad MLAFisk, Raymond P., Stephen J. 1950- Grove, và Joby John. Interactive Services Marketing. Boston: Houghton Mifflin, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.