Gaya APA
Pilkey, D. (2014).
Captain Underpants and The Tyrannical Retaliation of The Turbo Toilet 2000 .
London, UK:
Scholastic.
Gaya MLA
Pilkey, Dav.
"Captain Underpants and The Tyrannical Retaliation of The Turbo Toilet 2000".
London, UK:
Scholastic,
2014.
Text.