Willems, M. (2014). Waiting is not easy! (First edition.). Hyperion Books for Children, an imprint of Disney Book Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWillems, Mo. Waiting Is Not Easy! First edition. New York, New York: Hyperion Books for Children, an imprint of Disney Book Group, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWillems, Mo. Waiting Is Not Easy! First edition. Hyperion Books for Children, an imprint of Disney Book Group, 2014.
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