Lewis, John S., author
Helix Books, 1998
Buku Teks
Departemen Penerangan RI, 1992
Buku Teks
Dalrymple, G. Brent, author
Stanford Univ.Press, 2001
Buku Teks
Brown, G.C., author
Allen & Unwin, 1981
Buku Teks
A. Gunawan Admiranto, author
Mizan Pustaka, 2017
Buku Teks