Cita APA

Sergio Elliot. (1990). FAO economic and social development paper N.67: Distance education systems. Rome: FAO.

Chicago Style Citation

Sergio Elliot. FAO Economic and Social Development Paper N.67: Distance Education Systems. Rome: FAO, 1990.

Cita MLA

Sergio Elliot. FAO Economic and Social Development Paper N.67: Distance Education Systems. Rome: FAO, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.