Dillon, W. R., Firtle, N. H., & Madden, J. T. (1994). Marketing research in a marketing environment (3rd ed.). Irwin.
Cita Chicago Style (17a ed.)Dillon, William R., Neil H. Firtle, y J. Thomas Madden. Marketing Research in a Marketing Environment. 3rd ed. London: Irwin, 1994.
Cita MLA (9a ed.)Dillon, William R., et al. Marketing Research in a Marketing Environment. 3rd ed. Irwin, 1994.
Precaución: Estas citas no son 100% exactas.