APA-referens

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

Chicago-stil citat

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

MLA-referens

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

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