Cita APA (7a ed.)

Brooks, J., & Scirratt, M. (2013). Perfect phrases for sales referrals: Hundreds of ready-to-use phrases for getting new clients, building relationships, increasing your sales (1st edition.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Brooks, Jeb, y Marty Scirratt. Perfect Phrases for Sales Referrals: Hundreds of Ready-to-use Phrases for Getting New Clients, Building Relationships, Increasing Your Sales. 1st edition. New York: McGraw-Hill, 2013.

Cita MLA (9a ed.)

Brooks, Jeb, y Marty Scirratt. Perfect Phrases for Sales Referrals: Hundreds of Ready-to-use Phrases for Getting New Clients, Building Relationships, Increasing Your Sales. 1st edition. McGraw-Hill, 2013.