Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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