McVey, Ruth Thomas, author
Cornell university, 1962, 1957.
Buku Teks
Yong, Mun Cheong, author
KITLV Press, 2003
Buku Teks
Molly Bondan, author
Pustaka Sinar Harapan, 1992
Buku Teks
Heider, Karl G., author
University of Hawaii Press, 1991
Buku Teks
Goulden, Joseph C., author
Atheneum, 1976
Buku Teks