Hobson, A. (2001). The Oxford dictionary of difficult words. Oxford University Press.
Čikaški stil citiranja (17. izdanje)Hobson, Archie. The Oxford Dictionary of Difficult Words. New York: Oxford University Press, 2001.
MLA način citiranja (8. izdanje)Hobson, Archie. The Oxford Dictionary of Difficult Words. Oxford University Press, 2001.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.