Cita APA

Dillon, W. R., Madden, T. J., & Firtle, N. H. (1994). Marketing research in a marketing environment (3rd ed.). Irwin.

Citación estilo Chicago

Dillon, William R., Thomas J. Madden, and Neil H. Firtle. Marketing Research in a Marketing Environment. 3rd ed. Burr Ridge, Ill: Irwin, 1994.

Cita MLA

Dillon, William R., et al. Marketing Research in a Marketing Environment. 3rd ed. Irwin, 1994.