Abbott, J. C. (1958). Marketing problems and improvement programs. Food and Agriculture Organization of the United Nations.
Citace podle Chicago (17th ed.)Abbott, John Cave. Marketing Problems and Improvement Programs. Rome: Food and Agriculture Organization of the United Nations, 1958.
Citace podle MLA (9th ed.)Abbott, John Cave. Marketing Problems and Improvement Programs. Food and Agriculture Organization of the United Nations, 1958.
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