Cita APA

O'Briens,Derek. (2003). Essential Knowledge Quiz Book, 1 (NA.). Penguin books.

Citación estilo Chicago

O'Briens,Derek. Essential Knowledge Quiz Book, 1. NA. New Delhi: Penguin books, 2003.

Cita MLA

O'Briens,Derek. Essential Knowledge Quiz Book, 1. NA. Penguin books, 2003.

Warning: These citations may not always be 100% accurate.