The Dushkin Publishing Group, Inc, 1987
Buku Teks SO
Katsh, M. Ethan
McGaraw-Hill, 1998
Buku Teks
edited by Kurt Finsterbusch
McGraw-Hill, 2006
Buku Teks SO
Easton, Thomas, 1944-2014
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Buku Teks
edited by M. Ethan Katsh
McGraw-Hill, 2012
Buku Teks