Lipsey, Richard G. (1957). «The Theory of Customs Unions: Trade Diversion and Welfare». Economica24 (93): 40-46. JSTOR2551626. doi:10.2307/2551626.
Balassa, Bela (1967). «Trade Creation and Trade Diversion in the European Common Market». The Economic Journal77 (305): 1-21. JSTOR2229344. doi:10.2307/2229344.
jstor.org
Lipsey, Richard G. (1957). «The Theory of Customs Unions: Trade Diversion and Welfare». Economica24 (93): 40-46. JSTOR2551626. doi:10.2307/2551626.
Balassa, Bela (1967). «Trade Creation and Trade Diversion in the European Common Market». The Economic Journal77 (305): 1-21. JSTOR2229344. doi:10.2307/2229344.
worldcat.org
1892-1970., Viner, Jacob (2014). The customs union issue. Oslington, Paul. Oxford University Press, USA. ISBN978-1306290920. OCLC867818657.