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.
ציטוט MLAFAO. FAO Farm Systems Management Series N.1: Guidelines for the Conduct of a Training Course in Farming Systems Development. Rome: FAO, 1990.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.