Cita APA

Bleech, J. M., & Mutechler, D. G. (1997). The art of effective selling. Excel Books.

Chicago Edition Citation

Bleech, James M., i David G. Mutechler. The Art of Effective Selling. New Delhi: Excel Books, 1997.

Cita MLA

Bleech, James M., i David G. Mutechler. The Art of Effective Selling. Excel Books, 1997.