Cita APA (7th ed.)

O'brien,Derek. (2003). Best Quizzes Of Derek O’Brien (NA.). Penguin Books.

Cita Chicago (17th ed.)

O'brien,Derek. Best Quizzes Of Derek O’Brien. NA. New Delhi: Penguin Books, 2003.

Cita MLA (9th ed.)

O'brien,Derek. Best Quizzes Of Derek O’Brien. NA. Penguin Books, 2003.