Fitzgerald, C.P.
Oxford University Press, 1965
Buku Teks
Wu, Ding min
Xin shi jie chu ban she, 2010
Buku Teks
Kirkpatrick, Larry D.
Thomson, Brooks, 2007
Buku Teks
edited by Sidney Mailick; The United Nations Institute for Training and Research
Anchor Press, 1974
Buku Teks
Simpson, George Gaylord
Harcourt Brace & World, 1964
Buku Teks