Heeger, Gerald A., author
Macmillan, 1974
Buku Teks
The United States-Indonesia Society, 1997
Buku Teks
Cammack, Paul Anthony, author
Macmillan, 1993
Buku Teks
Mountjoy, Alan B., author
Bina Aksara, 1983
Buku Teks
Gilbert, Alan, author
Tiara Wacana Yogya , 1996
Buku Teks