Gaya APA

Pilkey, D. (2000). Captain Underpants and The Perilous plot of Professor Poopypants The Fourth Epic Novel by Dav Pilkey . London: Scholastic Inc,.

Gaya MLA

Pilkey, Dav. "Captain Underpants and The Perilous plot of Professor Poopypants The Fourth Epic Novel by Dav Pilkey". London: Scholastic Inc,, 2000. Text.