Pierce, Gregory F. A., author
Kanisius, 2006
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Littauer, Florence, author
Binarupa Aksara, 1995
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Buzan, Tony, author
Gramedia, 2005
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Stevens, R. Paaul, author
Literature Perkantas IKAPI, 2012
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Spears, Nancy, author
Bhuana Ilmu Populer, 2007
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