APA Style
Staff, Soil Survey. (1952).
Soil survey manual .
Washington,D.C:
United States Departement of Agriculture.
Chicago Style
Staff, Soil Survey.
Soil survey manual.
Washington,D.C:
United States Departement of Agriculture,
1952.
Buku Teks.
MLA Style
Staff, Soil Survey.
Soil survey manual.
Washington,D.C:
United States Departement of Agriculture,
1952.
Buku Teks.
Turabian Style
Staff, Soil Survey.
Soil survey manual.
Washington,D.C:
United States Departement of Agriculture,
1952.
Buku Teks.