Martin Brinkworth
Springer, 2012
eBooks
Lock, Robert Heath, author
Cambridge University Press, 2013
Buku Teks
Coates, John
Cambridge Cambridge University Press 1996,
Buku Teks
Kingsland, Sharon E., author
The University of Chicago Press, 1985
Buku Teks
Weisz, Paul B., author
McGraw-Hill, 1963
Buku Teks