Cita APA (7a ed.)

Polin, C., Polin, E., Parks, T., & Mattson, D. Selling Professional Services the Sandler Way Or, Nobody Ever Told Me I’d Have to Sell! Gildan Media.

Cita Chicago Style (17a ed.)

Polin, Chuck, Evan Polin, Tom Parks, y David Mattson. Selling Professional Services the Sandler Way Or, Nobody Ever Told Me I’d Have to Sell! Gildan Media.

Cita MLA (9a ed.)

Polin, Chuck, et al. Selling Professional Services the Sandler Way Or, Nobody Ever Told Me I’d Have to Sell! Gildan Media.