Bochenski, I.M.
Francke Verlag, 1947
Buku Teks
Beerling, R.F., author
Balai Pustaka, 1966
Buku Teks
Levin, David Michael, author
University of California Press, 1999
Buku Teks
Scruton, Roger
Pantja SImpati , 1986
Buku Teks
Russell, Bertrand, 1872-1970, author
George Allen & Unwin LTD, 1959
Buku Teks