Harper, B. (2012). The skinny rules: The simple, nonnegotiable principles for getting to thin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarper, Bob. The Skinny Rules: The Simple, Nonnegotiable Principles for Getting to Thin. 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHarper, Bob. The Skinny Rules: The Simple, Nonnegotiable Principles for Getting to Thin. 2012.
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