Lee Tat Man, author
Prentice-Hall, 2001
Buku Teks
Ketchum, Paul A., author
John Wiley & Sons, 1984
Buku Teks
Bernstein, Lewis
Norwalk Appletton century crofts , 1985
Buku Teks
Teresita V. Ramos
Southeast Asia Studies center for Asian and Pacific Studies, 1985
Buku Teks
Forrester, Kim, author
Mosby, 2001
Buku Teks