Ephron, D., & Koren, E. (2015). Do I have to say hello?: Aunt Delia's manners quiz for kids and their grownups. Blue Rider Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEphron, Delia, और Edward Koren. Do I Have to Say Hello?: Aunt Delia's Manners Quiz for Kids and Their Grownups. New York: Blue Rider Press, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEphron, Delia, और Edward Koren. Do I Have to Say Hello?: Aunt Delia's Manners Quiz for Kids and Their Grownups. Blue Rider Press, 2015.
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