APA引文

Mila Medina Ramos. (1976). International bibliography on cropping systems 1973-1974. Manila: IRRI.

Trích dẫn kiểu Chicago

Mila Medina Ramos. International Bibliography On Cropping Systems 1973-1974. Manila: IRRI, 1976.

MLA引文

Mila Medina Ramos. International Bibliography On Cropping Systems 1973-1974. Manila: IRRI, 1976.

警告：這些引文格式不一定是100％准確.