Carnap, Rudolf
Dover Publications, 1958
Buku Teks
Blalock, Hubert M.
Prentice-Hall, 1969
Buku Teks
Kirkpatrick, Graeme, 1963-
Polity Press, 2013
Buku Teks
Standley, Gerald B.
Houghton Mifflin, 1971
Buku Teks
Gemignani, Michael C.
Addison-Wesley, 1968
Buku Teks