edited by Syney G. Davidson
Pergamon Press, 1981
Buku Teks
George Allen and Unwin, 1963
Buku Teks
edited by Serap Kurbanoglu
Springer-Verlag, 2012
eBooks
Parkinson, Joy, author
Churchill Livingstone, 2004
Buku Teks
editor, G.R. Castro and M. Cardona
Springer-Verlag Berlin Heidelberg, 1987
Buku Teks