Hansen, M. V., Nichols, B., & Hansen, P. (1996). Out of the blue: Delight comes into our lives. Advantage Quest Publication.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHansen, Mark Victor, Barbara Nichols, और Patty Hansen. Out of the Blue: Delight Comes into Our Lives. Petaling Jaya: Advantage Quest Publication, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHansen, Mark Victor, et al. Out of the Blue: Delight Comes into Our Lives. Advantage Quest Publication, 1996.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.