by Franz Michael, Carl Linden, Jan Pryblyla, Jurgen Domes
Westview Press, 1990
Buku Referensi
Stein, Gunther
McGraw-Hill Book Company, Inc., 1945
Buku Teks
Liu, Defu, author
Jiangxi ren min chu ban she, 2000
Buku Referensi
Utley, Freda
The Bobbs-Merrill Company, 1947
Buku Teks
Winberg, Chai, author
Capricorn Books, 1974
Buku Teks