APA citiranje

(1990). Proceedings of symposium on maximum yield research, august 17 - 1990. Kyoto, Japan: International Soceity of Soil Science.

Trích dẫn kiểu Chicago

Proceedings of Symposium On Maximum Yield Research, August 17 - 1990. Kyoto, Japan: International Soceity of Soil Science, 1990.

MLA citiranje

Proceedings of Symposium On Maximum Yield Research, August 17 - 1990. Kyoto, Japan: International Soceity of Soil Science, 1990.