FAO. Agricultural engineering in development (mechanization strategy formulation): Vol. I-concepts and principles. Rome.
Chicago-viite (17. p.)FAO. Agricultural Engineering in Development (mechanization Strategy Formulation): Vol. I-concepts and Principles. Rome.
MLA-viite (8. p.)FAO. Agricultural Engineering in Development (mechanization Strategy Formulation): Vol. I-concepts and Principles. Rome.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.