Wright, William F. (William Floyd), author
Demos, 2013
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Spicer, John W., author
Churchill Livingstone Elsevier, 2008
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Southwick, Frederick S., author
McGraw-Hill, 2008
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Southwick, Frederick S., author
McGraw-Hill, 2014
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Stanford T. Shulman, John P. Phair, Herbert M. Sommers; penerjemah, A. Samik Wahab; penyunting, Sutaryo
Gadjah Mada University Press , 1994
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