Weale, Adrian, author
Weidenfeld, 1994
Buku Teks
Carrabine, Eamonn, author
Routledge, 2009
Buku Referensi
Copes, Heith, author
McGraw-Hill, 2009
Buku Teks
Sykes, Gresham M., author
Random Hoese, 1963
Buku Teks
Bemmelen, Jacob Maarten van, 1898-, author
W.E.J. Tjeenk Willink, 1948-1958
Buku Teks