APA (7th ed.) Zitazioa

Balassa, B., & Balassa, B. (1975). European economic integration. North-Holland.

Chicago Style (17th ed.) Zitazioa

Balassa, Bela, eta Bela Balassa. European Economic Integration. Amsterdam: North-Holland, 1975.

MLA (9th ed.) Zitazioa

Balassa, Bela, eta Bela Balassa. European Economic Integration. North-Holland, 1975.