Hartl, Daniel L.
Harper and Row , 1983
Buku Teks
Stern, Curt, author
W. H. Freeman and Company, 1960
Buku Teks
Lewis, Ricki, author
McGraw-HIll, 2001
Buku Teks
Lewis, Ricki, author
McGraw-Hill, 2003
Buku Teks
Vogel, F.
Springer-Verlag, 1986
Buku Referensi