Cita APA (7th ed.)

Stevenson, T., & Barcus, S. (2003). The relationship advantage: Become a trusted advisor and create clients for life. Dearborn.

Cita Chicago (17th ed.)

Stevenson, Tom, i Sam Barcus. The Relationship Advantage: Become a Trusted Advisor and Create Clients for Life. Chicago: Dearborn, 2003.

Cita MLA (8th ed.)

Stevenson, Tom, i Sam Barcus. The Relationship Advantage: Become a Trusted Advisor and Create Clients for Life. Dearborn, 2003.