Babione, F. A. (1949). Home-service distribution of coffee and related products: Survey of 250 consumers in Central and Eastern Pennsylvania.
Chicago-viite (17. p.)Babione, Francis A. Home-service Distribution of Coffee and Related Products: Survey of 250 Consumers in Central and Eastern Pennsylvania. State College, 1949.
MLA-viite (8. p.)Babione, Francis A. Home-service Distribution of Coffee and Related Products: Survey of 250 Consumers in Central and Eastern Pennsylvania. 1949.
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