Pilkey, D., & Forgione, L. (2018). Captain underpants and the perilous plot of professor poopypants (Unabridged.). Scholastic Audio Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPilkey, Dav, और Len Forgione. Captain Underpants and the Perilous Plot of Professor Poopypants. Unabridged. New York City: Scholastic Audio Books, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPilkey, Dav, और Len Forgione. Captain Underpants and the Perilous Plot of Professor Poopypants. Unabridged. Scholastic Audio Books, 2018.
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