McClave, James T.
Dellen Publishing, 1979
Buku Teks
Hays, William Lee, 1926-1995
Harcourt Brace Colege, 1994
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McClave, James T.
Dellen Publishing, 1985
Buku Teks
McClave, James T.
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Haber, Audrey
Addison-Wesley , 1970
Buku Teks