Hausman, Alan, author
Wadsworth and Cengage Learning, 2013
Buku Teks
Tarski, Alfred
Oxford University Press, 1959
Buku Teks
Grayling, A. C.
Blackwell Publishers, 1997
Buku Teks
Mates, Benson, author
Oxford University Press, 1965
Buku Teks
edited by Dov M. Gabbay and John Woods
Elsevier, 2004
Buku Referensi