Zafarris, J., & Marella, M. (2020). Once upon a word: A word-origin dictionary for kids : building vocabulary through etymology, definitions & stories. Rockridge Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZafarris, Jess, और Marco Marella. Once upon a Word: A Word-origin Dictionary for Kids : Building Vocabulary Through Etymology, Definitions & Stories. Emeryville, California: Rockridge Press, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रZafarris, Jess, और Marco Marella. Once upon a Word: A Word-origin Dictionary for Kids : Building Vocabulary Through Etymology, Definitions & Stories. Rockridge Press, 2020.
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