Cita APA (7th ed.)
Sears, B. Mastering the Zone: The Next Step in Achieving Superhealth and Permanent Fat Loss. ReganBooks.
Cita Chicago (17th ed.)
Sears, Barry. Mastering the Zone: The Next Step in Achieving Superhealth and Permanent Fat Loss. Nueva York, EUA: ReganBooks.
Cita MLA (9th ed.)
Sears, Barry. Mastering the Zone: The Next Step in Achieving Superhealth and Permanent Fat Loss. ReganBooks.
Atenció: Aquestes cites poden no estar 100% correctes.