Lua APA (7ú heag.)
Kurtz, D. L., & Clow, K. E. (1998). Services marketing. J. Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)
Kurtz, David L., agus Kenneth E. Clow. Services Marketing. New York, NY: J. Wiley & Sons, 1998.
Lua MLA (9ú heag.)
Kurtz, David L., agus Kenneth E. Clow. Services Marketing. J. Wiley & Sons, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.