Pilkey, D., & Garibaldi, J. (2023). Captain Underpants and the perilous plot of Professor Poopypants: The fourth epic novel (Full color edition.). Scholastic Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPilkey, Dav, और Jose Garibaldi. Captain Underpants and the Perilous Plot of Professor Poopypants: The Fourth Epic Novel. Full color edition. New York, NY: Scholastic Inc., 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPilkey, Dav, और Jose Garibaldi. Captain Underpants and the Perilous Plot of Professor Poopypants: The Fourth Epic Novel. Full color edition. Scholastic Inc., 2023.
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