California Fruit Growers Exchange. Bureau of Pest Control. (1935). The Exchange pest control circular. California Fruit Growers Exchange, Bureau of Pest Control.
Dyfyniad Arddull ChicagoCalifornia Fruit Growers Exchange. Bureau of Pest Control. The Exchange Pest Control Circular. Los Angeles: California Fruit Growers Exchange, Bureau of Pest Control, 1935.
Dyfyniad MLACalifornia Fruit Growers Exchange. Bureau of Pest Control. The Exchange Pest Control Circular. California Fruit Growers Exchange, Bureau of Pest Control, 1935.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.