Parkin, Alan C., author
John Wiley & Sons, 1999
Buku Teks
Teresita V. Ramos
Southeast Asia Studies center for Asian and Pacific Studies, 1985
Buku Teks
Longest, Beaufort B., author
Appleton and Lange, 1996
Buku Teks
Lee Tat Man, author
Prentice-Hall, 2001
Buku Teks
Longest, Beaufort B., author
Appleton and Lange, 1996
Buku Teks