Παραπομπή APA

(1991). Agricultural intensification and environment in tropical areas: Seminar; Brussels, 5-6 June 1990. Brussels: CTA.

Παραπομπή Chicago Style

Agricultural Intensification and Environment in Tropical Areas: Seminar; Brussels, 5-6 June 1990. Brussels: CTA, 1991.

Παραπομπή MLA

Agricultural Intensification and Environment in Tropical Areas: Seminar; Brussels, 5-6 June 1990. Brussels: CTA, 1991.

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