Singer, P. W., author
Oxford University Press, 2014
Buku Teks
Ferguson, Charles D., author
Oxford Univesity Press, 2011
Buku Teks
Collins, Harry, author
Cambridge University Press , 1993
Buku Teks
Hirsch, Eric Donald, Jr., author
Schwartz Publishing, 1988
Buku Teks
Hirsch, Eric Donald, Jr., author
Sidney Schwartz, 1988
Buku Teks