APA-referens (7:e uppl.)
Maddison, A. (2006). The world economy. Development Centre of the Organisation for Economic Co-operation and Development.
Chicago-referens (17:e uppl.)
Maddison, Angus. The World Economy. Paris, France: Development Centre of the Organisation for Economic Co-operation and Development, 2006.
MLA-referens (9:e uppl.)
Maddison, Angus. The World Economy. Development Centre of the Organisation for Economic Co-operation and Development, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.