Kuhn, Thomas S.
Remaja Rosdakarya, 2012
Buku Teks
Singer, Charles
Clarendon Press, 1962
Buku Teks
Gillispie, Charles Coulston
Princeton University Press, 1960
Buku Teks
Shaharir Mohamad Zain
Universiti Kebangsaan Malaysia, 2000
Buku Teks
Butterfield, Herbert
The Free Press , 1957
Buku Teks