Brower, James E.
McGraw-Hill, [Boston ;1998, 1998]
Buku Teks
Brewer, Richard
Saunders College Publishing, 1982
Buku Referensi
Cox, George W.
Wm. C. Brown, 1996
Buku Teks
Brewer, Richard
Saunders College Publishing, 1982
Buku Teks
Krohne, David T.
Brook/Cole, 2001
Buku Teks