APA aipamena

IRRI. (1978). Nitrogen and rice symposium: Role of nitrogen in rice production, nitrogen transformation in rice soils, 18-21 Sept. 1978. Philippines: IRRI.

Chicago Style aipamena

IRRI. Nitrogen and Rice Symposium: Role of Nitrogen in Rice Production, Nitrogen Transformation in Rice Soils, 18-21 Sept. 1978. Philippines: IRRI, 1978.

MLA aipamena

IRRI. Nitrogen and Rice Symposium: Role of Nitrogen in Rice Production, Nitrogen Transformation in Rice Soils, 18-21 Sept. 1978. Philippines: IRRI, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.