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McCormick, John, 1954-, author
Wadsworth, 2010
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edited by Roy C. Macridis and Bernard E. Brown
Wadsworth, 1990
Buku Teks
edited by Roy C. Macridis, Bernard E. Brown
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Buku Teks
Wiarda, Howard J., author
Thomson Wadsworth, 2000
Buku Teks