Northrup, C. (2013). The normal bar: The surprising secrets of happy couples and what they reveal about creating a new normal in your relationship.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNorthrup, Chrisanna. The Normal Bar: The Surprising Secrets of Happy Couples and What They Reveal About Creating a New Normal in Your Relationship. 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNorthrup, Chrisanna. The Normal Bar: The Surprising Secrets of Happy Couples and What They Reveal About Creating a New Normal in Your Relationship. 2013.
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