Gregory, J. (2016). Monarch butterflies. Children's Press, an imprint of Scholastic Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGregory, Josh. Monarch Butterflies. New York: Children's Press, an imprint of Scholastic Inc., 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGregory, Josh. Monarch Butterflies. Children's Press, an imprint of Scholastic Inc., 2016.
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