Snooks, Graeme Donald
Routledge, 1998
Buku Teks
Capecchi, Danilo, author
[Springer, ], 2012
eBooks
Clark, C.M.H., editor
Melbourne University Press, 1981
Buku Teks
Kurihara, Kenneth K.
George Allen and Unwin , 1963
Buku Teks
Betz, Frederick, author
[, Springer], 2012
eBooks