Princeton Review (Firm). (1996). Grammar smart: A guide to perfect usage. Villard Books.
Chicago Style (17. basım) AtıfPrinceton Review (Firm). Grammar Smart: A Guide to Perfect Usage. New York: Villard Books, 1996.
MLA (9th ed.) AtıfPrinceton Review (Firm). Grammar Smart: A Guide to Perfect Usage. Villard Books, 1996.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..