Severino, Rodolfo C., Jr., author
The Asean Secretariat, 2001
Buku Teks
Morales, Armando, author
Allyn and Bacon, 1983
Buku Teks
Morales, Armando, author
Allyn and Bacon, 1977
Buku Teks
editor, writer, Kelly Knauer ; writer, researcher, Matthew McCann Fenton
Time Books, an imprint of Time Home Entertainment Inc., 2013
Buku Referensi
Yoon, Jeannie Meejin, 1972-, author
Princeton Architectural Press, 2000
Buku Teks