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