APA-čujuhus (7. p.)
Hawkins, D. I., & Tull, D. S. (1993). Essentials of marketing research (6th ed.). Macmillan.
Chicago-čujuhus (17. p.)
Hawkins, Del I., juo Donald S. Tull. Essentials of Marketing Research. 6th ed. New York: Macmillan, 1993.
MLA-čujuhus (9. p.)
Hawkins, Del I., juo Donald S. Tull. Essentials of Marketing Research. 6th ed. Macmillan, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.