APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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

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