Cita APA (7a ed.)

Becker, H. B., & Traum, N. (2012). Hal Becker's ultimate sales book: A revolutionary training manual guaranteed to improve your skills and inflate your net worth. Career Press.

Cita Chicago Style (17a ed.)

Becker, Hal B., y Nancy Traum. Hal Becker's Ultimate Sales Book: A Revolutionary Training Manual Guaranteed to Improve Your Skills and Inflate Your Net Worth. Pompton Plains, New Jersey: Career Press, 2012.

Cita MLA (9a ed.)

Becker, Hal B., y Nancy Traum. Hal Becker's Ultimate Sales Book: A Revolutionary Training Manual Guaranteed to Improve Your Skills and Inflate Your Net Worth. Career Press, 2012.