the Department of Foreign Affairs,
Majalah, Jurnal, Buletin
Oxford University Press, 1964
Buku Teks
Little, Brown & Co., 1986
Buku Teks
edited by Joel Feinberg, Hyman Gross
Wadsworth, 1977
Buku Teks
edited by Takie Sugiyama Lebra and William P. Lebra
University of Hawaii Press, 1983
Buku Teks