Bird, H. S. (1919). Important factors in the inter-state transportation of fruits and vegetables.
Chicago-referens (17:e uppl.)Bird, Harold Sterling. Important Factors in the Inter-state Transportation of Fruits and Vegetables. 1919.
MLA-referens (8:e uppl.)Bird, Harold Sterling. Important Factors in the Inter-state Transportation of Fruits and Vegetables. 1919.
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