California Fruit Growers Exchange. Bureau of Pest Control. (1935). The Exchange pest control circular. California Fruit Growers Exchange, Bureau of Pest Control.
Παραπομπή σε μορφή Chicago (17η εκδ.)California Fruit Growers Exchange. Bureau of Pest Control. The Exchange Pest Control Circular. Los Angeles: California Fruit Growers Exchange, Bureau of Pest Control, 1935.
Παραπομπή σε μορφή MLA (8th εκδ.)California Fruit Growers Exchange. Bureau of Pest Control. The Exchange Pest Control Circular. California Fruit Growers Exchange, Bureau of Pest Control, 1935.
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