Gorbachev, V. (2005). That's what friends are for. Philomel Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGorbachev, Valeri. That's What Friends Are for. New York: Philomel Books, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGorbachev, Valeri. That's What Friends Are for. Philomel Books, 2005.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.