Murphy, J. (2007). Believe in yourself (1st Hay House ed.). Hay House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMurphy, Joseph. Believe in Yourself. 1st Hay House ed. Carlsbad, Calif.: Hay House, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMurphy, Joseph. Believe in Yourself. 1st Hay House ed. Hay House, 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.