Pilkey Dav. Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers.
Chicago-referens (17:e uppl.)Pilkey Dav. Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers. Scholastic US.
MLA-referens (8:e uppl.)Pilkey Dav. Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.