Piontek, V. (2021). Better with Butter (First edition.). Scholastic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPiontek, Victoria. Better with Butter. First edition. New York: Scholastic Press, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPiontek, Victoria. Better with Butter. First edition. Scholastic Press, 2021.
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