Carnap, Rudolf, author
Dover Publications, 1958
Buku Teks
Marcovitz, Alan B., author
McGraw-Hill, 2005
Buku Teks
Marcovitz, Alan B., author
McGraw-Hill, 2010
Buku Teks
Marcovitz, Alan B., author
McGraw-Hill, 2002
Buku Teks
Fensel, Dieter, author
Springer, 2008
Buku Teks