Pedigo, Larry P., author
Prentice-Hall, 1999
Buku Teks
Sharma, Hari C., author
CRC Press, 2009
Buku Teks
M.A. Yunita Triwardani Winarto, author
Yale Southeast Asia Studies, 2004
Buku Teks
Elzinga, Richard J., author
Prentice-Hall, 1978
Buku Teks
Romoser, William S., author
McGraw-Hill, 1988
Buku Teks