Greenwood, N. A., & Howard, J. R. (2011). First contact: Teaching and learning in introductory sociology. Rowman & Littlefield Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGreenwood, Nancy A., और Jay R. Howard. First Contact: Teaching and Learning in Introductory Sociology. Lanham: Rowman & Littlefield Publishers, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGreenwood, Nancy A., और Jay R. Howard. First Contact: Teaching and Learning in Introductory Sociology. Rowman & Littlefield Publishers, 2011.
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