Cita APA (7th ed.)

Dillon, W., Firtle, N. H., & Madden, T. J. (1993). Essentials of marketing research. McGraw-Hill.

Cita Chicago (17th ed.)

Dillon, William, Neil H. Firtle, i Thomas J. Madden. Essentials of Marketing Research. Boston: McGraw-Hill, 1993.

Cita MLA (9th ed.)

Dillon, William, et al. Essentials of Marketing Research. McGraw-Hill, 1993.