International Input-Output Association. (1989). Economic systems research: Journal of the International Input-Output Association. Carfax.
Cita Chicago (17th ed.)International Input-Output Association. Economic Systems Research: Journal of the International Input-Output Association. Abingdon, Oxfordshire: Carfax, 1989.
Cita MLA (9th ed.)International Input-Output Association. Economic Systems Research: Journal of the International Input-Output Association. Carfax, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.