FAO. (1989). FAO statistical development series N.3: Sampling methods for agricultural surveys. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. FAO Statistical Development Series N.3: Sampling Methods for Agricultural Surveys. Rome: FAO, 1989.
Deismireacht MLAFAO. FAO Statistical Development Series N.3: Sampling Methods for Agricultural Surveys. Rome: FAO, 1989.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.