Citazione APA

(1982). Field extract of soil taxonomy: The 1975 system of soil classification of the U.S.D.A./S.C.S. The Netherland: International Soil museum.

Stile di citazione Chicago

Field Extract of Soil Taxonomy: The 1975 System of Soil Classification of the U.S.D.A./S.C.S. The Netherland: International Soil museum, 1982.

Citazione MLA

Field Extract of Soil Taxonomy: The 1975 System of Soil Classification of the U.S.D.A./S.C.S. The Netherland: International Soil museum, 1982.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.