O`Rourke, James S., author
Prentice-Hall, 2013
Buku Teks
O`Rourke IV, James S., author
Pearson Prentice Hall, 2004
Buku Teks
Hill, Charles W. L., author
Houghton Miffinn, 1989
Buku Teks
Gillies, Dee Ann, author
W.B: Saunders , 1994
Buku Teks
Cleland, David I., author
McGraw-Hill, 1972
Buku Teks