Newton, Charles Thomas, author
Cambridge University Press, 2011
eBooks
Infold, Tim, 1948, author
Routledge, 2013
Buku Teks
edited by Mari Pritchard Parker, Elvio Angeloni
McGraw-Hill, 2013
Buku Teks
Hollym, ilus, 2006
Buku Referensi
Hollym, 2006
Buku Referensi