Sandell, Rolf
Academic Press, 1977
Buku Teks
Karlins, Marvin, author
Springer, 1970
Buku Teks
Sendall, Jane, author
Oxford University press, 2014
Buku Teks
Colley, Susan Jane
Prentice-Hall, , 1998
Buku Teks
Ogden, Jane, author
Open University Press, 2004
Buku Teks