Forsyth, Frederick, 1938-, author
Bantam Books, 1995
Buku Teks
Konig, Hartmut, author
Springer-Verlag, 2012
eBooks
Schwab, Klaus, 1938-, author
Currency, 2017
Buku Teks
edited by Frederick W. Moorman, revised by morris Palmer Tilley
DC Health, 1917
Buku Teks
Wright, Samson
Oxford University Press, 1931
Buku Referensi