Dirksen, C. J., Kroeger, A., & Lockley, L. C. (1963). Readings in marketing. R. D. Irwin.
Cita Chicago (17th ed.)Dirksen, Charles J., Arthur Kroeger, i Lawrence Campbell Lockley. Readings in Marketing. Homewood, Ill: R. D. Irwin, 1963.
Cita MLA (9th ed.)Dirksen, Charles J., et al. Readings in Marketing. R. D. Irwin, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.