Morris, Noel Malcolm, 1929-
Macmillan, 1991
Buku Teks
Nilsson, James William
Addison-Wesley, 1986
Buku Teks
Nilsson, James William
Addison-Wesley, 1986
Buku Teks
edited by Richard H. Engelmann and William H. Middendorf
Marcel Dekker, 1995
Buku Referensi
Floyd, Thomas L.
Prentice-Hall, 1998
Buku Teks