David, Abe
Left Books Club, 1989
Buku Teks
Francione, Gianni
Tuttle Publishing, 2012
Buku Teks SO
Weston, John Fred, 1916-
McGraw-Hill, 2001
Buku Teks
Jervis, F.R.
Routledge and Kegan Paul , 1971
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Sherman, Andrew J.
[American Management Association;, ], 2011
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