Sears, B. (1997). Mastering the zone: The next step in achieving superhealth and permanent fat loss. Regan Books.
Citace podle Chicago (17th ed.)Sears, Barry. Mastering the Zone: The Next Step in Achieving Superhealth and Permanent Fat Loss. New York: Regan Books, 1997.
Citace podle MLA (9th ed.)Sears, Barry. Mastering the Zone: The Next Step in Achieving Superhealth and Permanent Fat Loss. Regan Books, 1997.
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