Hibbard, M.J.
McGraw-Hill Irwin, 2001
Buku Teks
Quine, Willard van Orman
Harvard University Press, 1980
Buku Teks SO
edited by Laszlo Csaba, Tibor Szentivanyi and Katie Tarbay
North Holland, 1991
Buku Teks SO
Pigors, Paul
McGraw-Hill, 1969
Buku Teks
Pigors, Paul
McGraw-Hill , 1961
Buku Teks