Brower, James E., author
Dubuque Wm. C. Brown , 1990
Buku Teks
Brower, James E., author
McGraw-Hill, [Boston ;1998, 1998]
Buku Teks
Brewer, Richard, author
Saunders College Publishing, 1982
Buku Referensi
Cox, George W., author
Wm. C. Brown, 1996
Buku Teks
Brewer, Richard, author
Saunders College Publishing, 1982
Buku Teks