Kinnear, T. C., & Taylor, J. R. (1991). Marketing research: An applied approach (4th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Kinnear, Thomas C., agus James R. Taylor. Marketing Research: An Applied Approach. 4th ed. New York: McGraw-Hill, 1991.
Lua MLA (8ú heag.)Kinnear, Thomas C., agus James R. Taylor. Marketing Research: An Applied Approach. 4th ed. McGraw-Hill, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.