United States., & Department of Agriculture. (1969). Food for us all. Washington: United States government printing office.
Chicago Stili AlıntıUnited States., ve Department of Agriculture. Food for Us All. Washington: United States government printing office, 1969.
MLA AlıntıUnited States., ve Department of Agriculture. Food for Us All. Washington: United States government printing office, 1969.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..