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
Willis H. Johnson ... [et al.]
Holt, Rineharton , 1972
Buku Teks
Raven, Peter H., author
McGraw-Hill , 2002
Buku Teks