R C Gifford. (1991). FAO agricultural servicies bulletin Vol.45: Agricultural mechanization in development: guidelines for stategy formulation. Rome: FAO.
Chicago-стиль цитированияR C Gifford. FAO Agricultural Servicies Bulletin Vol.45: Agricultural Mechanization in Development: Guidelines for Stategy Formulation. Rome: FAO, 1991.
MLA-цитированиеR C Gifford. FAO Agricultural Servicies Bulletin Vol.45: Agricultural Mechanization in Development: Guidelines for Stategy Formulation. Rome: FAO, 1991.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.