FAO. (1997). Improving agricultural extension: A reference manual. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. Improving Agricultural Extension: A Reference Manual. Rome: FAO, 1997.
MLA CitationFAO. Improving Agricultural Extension: A Reference Manual. Rome: FAO, 1997.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.