Partridge, Eric, 1894-1979
Usage and abusage : a guide to good English
Hamish Hamilton, 1994
 Buku Referensi
Partridge, Eric, 1894-1979
Usage and abusage : a guide to good English
Penguin Books, 1982
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Swan, Michael
Practical English Usage
Oxford University Press, 1995
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English usage
edited by Tim Storrie and James Matson
Cassell , 1991
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Fowler, H. W. (Henry Watson), 1858-1933
A dictionary of modern English usage
Oxford University Press, 1983
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