Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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