Adrian, Charles R., author
McGraw-Hill Book Company, Inc., 1961
Buku Teks
Saltzstein, Alan L., author
Thompson, 2003
Buku Teks
Adrian, Charles R., author
McGraw-Hill, 1955
Buku Teks
Markus, Andrew, author
Allen & Unwin , 1990
Buku Teks
Pavlich, George, author
Glass House, 2005
Buku Teks