Cita APA (7a ed.)

(2012). Earn what you're really worth maximize your income at any time in any market / Brian Tracy. [electronic resource].

Cita Chicago Style (17a ed.)

Earn What You're Really Worth Maximize Your Income at Any Time in Any Market / Brian Tracy. [electronic Resource]. 2012.

Cita MLA (9a ed.)

Earn What You're Really Worth Maximize Your Income at Any Time in Any Market / Brian Tracy. [electronic Resource]. 2012.