Courtis, John
Arcan , 1992
Buku Teks
Balai Aksara, 1986
Buku Teks
Lombardi, Felix W., author
Prestasi Pustaka, 2005
Buku Teks
Black, James Menzies, author
Prentica-Hall , 1957
Buku Teks
Stoner, James A.F. (Arthur Finch), author
Intermedia, 1992
Buku Teks