APA (7 वां संस्करण) प्रशस्ति पत्र

Lopez, M., & Pena, J. (2010). Extra lean: The fat-burning plan that changes the way you eat for life. New American Library.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Lopez, Mario, और Jimmy Pena. Extra Lean: The Fat-burning Plan That Changes the Way You Eat for Life. New York, N.Y.: New American Library, 2010.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Lopez, Mario, और Jimmy Pena. Extra Lean: The Fat-burning Plan That Changes the Way You Eat for Life. New American Library, 2010.

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