(1984). Education and economic productivity. Cambridge, Mass: Ballinger Pub. Co.
Chicago-stil citatEducation and Economic Productivity. Cambridge, Mass: Ballinger Pub. Co, 1984.
MLA-referensEducation and Economic Productivity. Cambridge, Mass: Ballinger Pub. Co, 1984.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.