APA Citatie

(1989). Proceedings of the symposium on fertilizer, present and future: To a decision making for heading the 21st Century- September 25-26, 1989. Kyoto, Janpan: Janpanese Society of soil Science and Plant Nutrition.

Chicago Style citaat

Proceedings of the Symposium On Fertilizer, Present and Future: To a Decision Making for Heading the 21st Century- September 25-26, 1989. Kyoto, Janpan: Janpanese Society of soil Science and Plant Nutrition, 1989.

MLA citatie

Proceedings of the Symposium On Fertilizer, Present and Future: To a Decision Making for Heading the 21st Century- September 25-26, 1989. Kyoto, Janpan: Janpanese Society of soil Science and Plant Nutrition, 1989.