APA aipamena

I Watanabe. (1992). Biofertilizer germplasm cllections at IRRI. Philippine: IRRI.

Chicago Style aipamena

I Watanabe. Biofertilizer Germplasm Cllections At IRRI. Philippine: IRRI, 1992.

MLA aipamena

I Watanabe. Biofertilizer Germplasm Cllections At IRRI. Philippine: IRRI, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.