Barnet, Sylvan, author
Little, Brown, 1979
Buku Teks
Appleman, Jack E., author
2009
eBooks
edited by Edward Barrett
MIT Press, 1988
Buku Teks
Headrick, Paul, 1957-, author
Wiley-Blackwell, 2014
Buku Teks
Giuffré, Giulia, author
Allen & Unwin, 1990
Buku Teks