Ed. INRA-SAD, Paris, 1993. 334 p.
Ed. L'Harmattan, Coll. Communication & Civilisation. 2001, ISBN 2 7475 1132 4, 526 pages
Ed. INRA Publications, Versailles, 1990. 366 p.
Revue Economie Rurale, (SFER), Paris 1990