Παπαδάκης, Γ. (1964). Soils of the world: Theirs formation, diagnostics, classification, correlation, geographic, distribution and agricultural potentialities soil regions of the world soil survey. Buenos Aires: [s.n.].
Dyfyniad Arddull ChicagoΠαπαδάκης, Γιάννης. Soils of the World: Theirs Formation, Diagnostics, Classification, Correlation, Geographic, Distribution and Agricultural Potentialities Soil Regions of the World Soil Survey. Buenos Aires: [s.n.], 1964.
Dyfyniad MLAΠαπαδάκης, Γιάννης. Soils of the World: Theirs Formation, Diagnostics, Classification, Correlation, Geographic, Distribution and Agricultural Potentialities Soil Regions of the World Soil Survey. Buenos Aires: [s.n.], 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.