Lowe, Eric
McGraw-Hill , 1983
Buku Teks
Lowe, Julian
Philip Allan, 1980
Buku Teks
McDonald, A. C.
Reston Publishing Co., 1981
Buku Teks
Lowe, Donald M.
Duke University Press , 1995.
Buku Teks
Etty Hadiwati Arief, author
Kahirul Bayan Press, 2006
Buku Teks