Simpson, D. (2017). Phoebe and her unicorn. Andrew McMeel Publishing, a division of Andrews McMeel Universal.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSimpson, Dana. Phoebe and Her Unicorn. Kansas City, Missouri: Andrew McMeel Publishing, a division of Andrews McMeel Universal, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSimpson, Dana. Phoebe and Her Unicorn. Andrew McMeel Publishing, a division of Andrews McMeel Universal, 2017.
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