Political and Economic Planning. (1962). Regional development in the European Economic Community1. s.n.
Chicago-referens (17:e uppl.)Political and Economic Planning. Regional Development in the European Economic Community1. London: s.n, 1962.
MLA-referens (9:e uppl.)Political and Economic Planning. Regional Development in the European Economic Community1. s.n, 1962.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.