APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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