MacIver, Robert M., author
Ginn, 1942
Buku Teks
Bierstedt, Robert, author
McGraw-Hill, 1964
Buku Teks
edited by Norman MacKenzie
The New American Library, 1968
Buku Teks
edited by Chie Nakane
Institute of Oriental Culture, 1984
Buku Teks
Mouton, Jane S., author
Hague, 1968
Buku Teks