Schwartz, Bernard
Little, Brown & Co., 1977
Buku Teks
Schwartz, Bernard
Little, Brown & Co., 1988
Buku Teks
Sathe, SP
Lexis Nexis, 2009
Buku Teks SO
Andersen, William R.
Carolina Academic Press, 2010
Buku Teks
Andersen, William R.
Carolina Academic Press, 2010
Buku Teks SO