Butterfield, Herbert
The Free Press , 1957
Buku Teks
Shaharir Mohamad Zain
Universiti Kebangsaan Malaysia, 2000
Buku Teks
Gillispie, Charles Coulston
Princeton University Press, 1960
Buku Teks
Kuhn, Thomas S.
Remaja Rosdakarya, 1993
Buku Teks
Kuhn, Thomas S.
The University of Chicago Press, [c1970]
Buku Teks