United States., & Department of Agriculture. (1969). Food for us all. Washington: United States government printing office.
Παραπομπή Chicago StyleUnited States., και Department of Agriculture. Food for Us All. Washington: United States government printing office, 1969.
Παραπομπή MLAUnited States., και Department of Agriculture. Food for Us All. Washington: United States government printing office, 1969.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.