APA (7th ed.) Zitazioa

(1992). Biological nitrogen fixation for sustainable agriculture: Extended versions of papers presented in the symposium, role of biological nitrogen fixation in sustainable agriculture at the 13th Congress of soil science, Kyoto, Japan, 1990. Kluwer Academic.

Chicago Style (17th ed.) Zitazioa

Biological Nitrogen Fixation for Sustainable Agriculture: Extended Versions of Papers Presented in the Symposium, Role of Biological Nitrogen Fixation in Sustainable Agriculture at the 13th Congress of Soil Science, Kyoto, Japan, 1990. Dordrecht: Kluwer Academic, 1992.

MLA (9th ed.) Zitazioa

Biological Nitrogen Fixation for Sustainable Agriculture: Extended Versions of Papers Presented in the Symposium, Role of Biological Nitrogen Fixation in Sustainable Agriculture at the 13th Congress of Soil Science, Kyoto, Japan, 1990. Kluwer Academic, 1992.