Thiroux, Jacques P. author
Prentice-Hall, 1995
Buku Teks
Thiroux, Jacques P. author
MacMillan Publishing Company, 1985
Buku Teks
Gordon, A. David
New York Longman 1996,
Buku Teks
edited by Ronald Bayer [and others]
Oxford University Press, 2007
Buku Teks
Robert W. McGee, editor
[Springer, ], 2012
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