APA (7 वां संस्करण) प्रशस्ति पत्र
Baucells, M., & Sarin, R. (2012). Engineering happiness: A new approach for building a joyful life. University of California Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Baucells, Manel, और Rakesh Sarin. Engineering Happiness: A New Approach for Building a Joyful Life. Berkeley: University of California Press, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Baucells, Manel, और Rakesh Sarin. Engineering Happiness: A New Approach for Building a Joyful Life. University of California Press, 2012.
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