FAO. (1990). FAO farm systems management series N.1: Guidelines for the conduct of a training course in farming systems development. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. FAO Farm Systems Management Series N.1: Guidelines for the Conduct of a Training Course in Farming Systems Development. Rome: FAO, 1990.
Deismireacht MLAFAO. FAO Farm Systems Management Series N.1: Guidelines for the Conduct of a Training Course in Farming Systems Development. Rome: FAO, 1990.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.