edited by D.R. Fraser Taylor
John Wiley & Sons, 1980
Buku Teks
Lathrop, Thomas G.
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Buku Teks
Miller, G. Tyler (George Tyler), 1931-
Wadsworth, 1991
Buku Teks
Kuratko, Donald F.
Harcourt College Publishers, 2001
Buku Teks
Duncan, Meredith J
Thomson Reuters, 2010
Buku Teks