Bivins,Thomas
McGraw-Hill, 2008
Buku Teks
Seitel, Fraser P., author
Prentice-Hall, 1998
Buku Teks
Baskin, Otis W., author
Brown & Benchmark, 1997
Buku Teks
Seitel, Fraser P., author
Erlangga, 2016
Buku Teks
Rashelle S. Karp, editor
[American Library association, American Library association], 2002
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