(1955). The yearbook of agriculture 1955 - Water. Washington: U.S.Department of Agriculture.
Citación estilo ChicagoThe Yearbook of Agriculture 1955 - Water. Washington: U.S.Department of Agriculture, 1955.
Cita MLAThe Yearbook of Agriculture 1955 - Water. Washington: U.S.Department of Agriculture, 1955.
Precaución: Estas citas no son 100% exactas.