Hobson, A. (2001). The Oxford dictionary of difficult words. Oxford University Press.
Chicago Style (17. basım) AtıfHobson, Archie. The Oxford Dictionary of Difficult Words. New York: Oxford University Press, 2001.
MLA (8th ed.) AtıfHobson, Archie. The Oxford Dictionary of Difficult Words. Oxford University Press, 2001.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..