Woodward, M. (Mark), author
Taylor and Francis, 2014
Buku Teks
Kentish, D. N. W.
McGraw-Hill, 1982
Buku Teks
Bowles, Joseph E., author
McGraw-Hill, 1980
Buku Referensi
Condon, Robert J., author
Reston Publishing, 1978
Buku Teks
Reynolds, Charles W., author
Wadsworth, 1986
Buku Teks