Weil, A. (2011). Spontaneous happiness (Large print ed.,1st ed.). Little, Brown and Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWeil, Andrew. Spontaneous Happiness. Large print ed.,1st ed. New York: Little, Brown and Co., 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWeil, Andrew. Spontaneous Happiness. Large print ed.,1st ed. Little, Brown and Co., 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.