Brown, L. K., & Brown, M. T. (1998). How to be a friend: A guide to making friends and keeping them. Little, Brown.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrown, Laurene Krasny, और Marc Tolon Brown. How to Be a Friend: A Guide to Making Friends and Keeping Them. Boston: Little, Brown, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrown, Laurene Krasny, और Marc Tolon Brown. How to Be a Friend: A Guide to Making Friends and Keeping Them. Little, Brown, 1998.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.