(1961). U.S. census of agriculture: 1959: final report. Washington, D.C: Government Printing Office.
Παραπομπή Chicago StyleU.S. Census of Agriculture: 1959: Final Report. Washington, D.C: Government Printing Office, 1961.
Παραπομπή MLAU.S. Census of Agriculture: 1959: Final Report. Washington, D.C: Government Printing Office, 1961.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.