Cassing, J. H. (1982). Protectionism and non-tariff barriers. Australian National University, Centre for Economic Policy Research.
Chicago-referens (17:e uppl.)Cassing, J. H. Protectionism and Non-tariff Barriers. Canberra: Australian National University, Centre for Economic Policy Research, 1982.
MLA-referens (8:e uppl.)Cassing, J. H. Protectionism and Non-tariff Barriers. Australian National University, Centre for Economic Policy Research, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.