APA citiranje

O Brien, D. (2001). Derek O`Brien`s book of 1500 questions. Rila O Brien.

Chicago Style (17th ed.) Citation

O Brien, Derek. Derek O`Brien`s Book of 1500 Questions. Kolkata: Rila O Brien, 2001.

MLA citiranje

O Brien, Derek. Derek O`Brien`s Book of 1500 Questions. Rila O Brien, 2001.