Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.