Sergio Elliot. (1990). FAO economic and social development paper N.67: Distance education systems. Rome: FAO.
Style de citation ChicagoSergio Elliot. FAO Economic and Social Development Paper N.67: Distance Education Systems. Rome: FAO, 1990.
Style de citation MLASergio Elliot. FAO Economic and Social Development Paper N.67: Distance Education Systems. Rome: FAO, 1990.
Attention : ces citations peuvent ne pas être correctes à 100%.