Cita APA (7a ed.)

Books24x7, Inc, Schiffman, S., & Schiffman, S. (2012). Make the sale happen before lunch: 50 cut-to-the-chase strategies for getting the business results you want (1st edition.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Books24x7, Inc, Stephan Schiffman, y Stephan Schiffman. Make the Sale Happen Before Lunch: 50 Cut-to-the-chase Strategies for Getting the Business Results You Want. 1st edition. New York: McGraw-Hill, 2012.

Cita MLA (9a ed.)

Books24x7, Inc, et al. Make the Sale Happen Before Lunch: 50 Cut-to-the-chase Strategies for Getting the Business Results You Want. 1st edition. McGraw-Hill, 2012.