edited by Stanley Johnson
John Wiley & Sons, 1973
Buku Teks SO
Kantner, John F.
Lixington Books, 1975
Buku Teks
by East-West Center
East West Center Press, 2002
Buku Teks
edited by John F. Kantner, Lee McCaffrey
Lexington Books, 1975
Buku Referensi
ESCAP , {s.a}
Majalah, Jurnal, Buletin