Roger L. Brockenbrough, Frederick S. Merritt, editor
McGraw-Hill, 2011
Buku Teks
editor, Roger L. Brockenbrough, Frederick S. Maerritt
McGraw-Hill, 1994
Buku Referensi
Butler, Robert Browmn
Buku Teks
Dayaratnam, P., author
Tata McGraw-Hill, 1983
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McGraw-Hill, 2002
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