Chu, Hung-fu, 1913-
Wm.C. Brown Communication, 1992
Buku Teks
Wigglesworth, V.B.
Worth, 1964
Buku Teks
edited by Frederick W. Stehr
Kendall/Hunt, 1991
Buku Teks
Chapman, R.F. (Reginald Frederick)
Cambridge University Press, 2013
Buku Teks
editors, Tim Halliday, Kraig Adler, Christopher O'toole
Grolier International, 1993
Buku Referensi