APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：这些引文格式不一定是100％准确.