IRRI. IRRI Research Paper Series (IRPS). Vol 4: Nos 61-80, 1981-1982. Philippines: IRRI.
Trích dẫn kiểu ChicagoIRRI. IRRI Research Paper Series (IRPS). Vol 4: Nos 61-80, 1981-1982. Philippines: IRRI.
MLA引文IRRI. IRRI Research Paper Series (IRPS). Vol 4: Nos 61-80, 1981-1982. Philippines: IRRI.
警告：这些引文格式不一定是100％准确.