Sears, B. (1997). Mastering the zone: The next step in achieving superhealth and permanent fat loss. Regan Books.
Chicago-Zitierstil (17. Ausg.)Sears, Barry. Mastering the Zone: The Next Step in Achieving Superhealth and Permanent Fat Loss. New York: Regan Books, 1997.
MLA-Zitierstil (9. Ausg.)Sears, Barry. Mastering the Zone: The Next Step in Achieving Superhealth and Permanent Fat Loss. Regan Books, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.