APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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