Luck, D. J. (1978). Marketing research (5th ed.). Prentice-Hall National Book Store.
Chicago Style aipamenaLuck, David Johnston. Marketing Research. 5th ed. Englewood Cliffs, N.J., Manila: Prentice-Hall National Book Store, 1978.
MLA aipamenaLuck, David Johnston. Marketing Research. 5th ed. Prentice-Hall National Book Store, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.