APA引文

Rojas, L. A. (2006). Non-tillage as an agronomical method in basic grain sustainable production.

Citación estilo Chicago

Rojas, Luis A. Non-tillage As an Agronomical Method in Basic Grain Sustainable Production. 2006.

MLA引文

Rojas, Luis A. Non-tillage As an Agronomical Method in Basic Grain Sustainable Production. 2006.

警告：这些引文格式不一定是100％准确.