Tinker, Hugh, author
Oxford University Press, 1961
Buku Teks
Stockmann, Petra, author
Hanns Seidel Foundation; Watch Indonesia, 2007
Buku Teks
ASEAN Secretariat
ASEAN Secretariat, 1987
Buku Referensi
Gilson, Julie, author
St. Martin`s Press, 2000
Buku Teks
Vihman, Marilyn May, author
Wiley-Blackwell, 2014
Buku Teks