Gamble, Sidney D., author
International Secretariat, Intitute of Pacific Relations, 1954
Buku Teks
Strong, Anna Louise, author
New World Press, 1959.
Buku Teks
John R. Logan, editor
Blackwell Publishing, 2008
Buku Teks
Changfu, Han, author
Cengage Learning, 2011
Buku Teks
Han, Changfu, author
Cengage Learning, 2011
Buku Teks