Carnap, Rudolf, author
Harvard University Press, 1946
Buku Teks
Lee, Irving J., author
Harper & Brothers, 1941
Buku Teks
Lappin, Shalom, author
Walter de Gruyter, 1981
Buku Teks
Cann, Ronnie
Cambridge University Press , 1993
Buku Teks
Ullmann, Stephen
Basil Blackwell, 1964
Buku Teks