Yang, W. (1965). Methods of farm management investigations: For improving farm productivity. Food and agriculture organiation of the united nation.
Citação norma ChicagoYang, W.Y. Methods of Farm Management Investigations: For Improving Farm Productivity. Rome: Food and agriculture organiation of the united nation, 1965.
Citação norma MLAYang, W.Y. Methods of Farm Management Investigations: For Improving Farm Productivity. Food and agriculture organiation of the united nation, 1965.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.