Cita APA (7a ed.)

Kress, G. (1988). Marketing research (3rd. ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Kress, George. Marketing Research. 3rd. ed. Englewood Cliffs, N.J.: Prentice Hall, 1988.

Cita MLA (9a ed.)

Kress, George. Marketing Research. 3rd. ed. Prentice Hall, 1988.