Vivion, Nichole, author
McGraw-Hill, 2011
Buku Teks
Campbell, Neil A., 1946-2004, author
Benjamin/Cummings, 1996
Buku Teks
Mader, Sylvia S., author
McGraw-HIll, 1996
Buku Teks
Mader, Sylvia S., author
McGraw-HIll, 2001
Buku Teks
Jones, Mary, author
Cambridge University, 1996
Buku Teks