Tro, Nivaldo J.
Thomson, Brooks/Cole, 2007
Buku Teks
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Love Publishing Company, 1977
Buku Teks
Kotz, John C.
Thomson, Brooks/Cole, 2006
Buku Teks
Paradis, Jeffrey
McGraw-Hill, Higher Education, 2006
Buku Teks
Suchocki, John
Pearson Benjamin Cummings, 2007
Buku Teks