Scott, Peter, author
Huytchinson University Library , 1970
Buku Teks
Buskirk, Richard Hobart, 1927-, author
McGraw-Hill, 1979
Buku Teks
Hollander, Stanley C., author
Michigan State University , 1960
Buku Teks
Levy, Michael, 1950-, author
McGraw-Hill Irwin, 2001
Buku Teks
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