Bittle, Celestine N.
The science of correct thinking : logic
The Bruce Publishing, 1950
 Buku Teks
Ben-Ari, Mordecchai, 1948-
Mathematical logic for computer science
Springer, 2012
 eBooks
Ben-Ari, Mordecchai, 1948-
Mathematical logic for computer science
Springer-Verlag, 2012
 Buku Teks
Williams, Malcolm, 1953-
Science and social science: an introduction
Routledge, 2000
 Buku Teks
Wallace, Walter L.
The logic of science in sociology / Walter L. Wallace
Aldine Publishing Company, 1971
 Buku Teks