APA (7 वां संस्करण) प्रशस्ति पत्र
Snyder, J. E., & Engelen, M. J. (2010). Breaking down barriers to care: Treatment of tobacco dependence in vulnerable populations. Nova Science Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Snyder, John E., और Megan J. Engelen. Breaking Down Barriers to Care: Treatment of Tobacco Dependence in Vulnerable Populations. New York: Nova Science Publishers, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Snyder, John E., और Megan J. Engelen. Breaking Down Barriers to Care: Treatment of Tobacco Dependence in Vulnerable Populations. Nova Science Publishers, 2010.
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