McDaniel, C. D., & Gates, R. H. (1996). Contemporary marketing research (3rd ed.). West Pub.
Lua i Stíl Chicago (17ú heag.)McDaniel, Carl D., agus Roger H. Gates. Contemporary Marketing Research. 3rd ed. St. Paul, Minn: West Pub, 1996.
Lua MLA (9ú heag.)McDaniel, Carl D., agus Roger H. Gates. Contemporary Marketing Research. 3rd ed. West Pub, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.