Tichelmann, Karsten, author
Birkhauser GmbH, 2008
Buku Referensi
Vandenberg, Maritz, author
Academy Editions , 1997
Buku Teks
Chow, Kok Fong, author
Sweet & Maxwell Asia/Thomson Reuters, 2012
Buku Teks
Nashed, Fred, author
McGraw-Hill, 1995
Buku Teks
Robb, Ian
Macmillan, 1978
Buku Teks