Santos, C. (1977). Sweet potato marketing in the Philippines. Special Studies Division, National Food and Agriculture Council, Dept. of Agriculture.
Citace podle Chicago (17th ed.)Santos, C.L.G. Sweet Potato Marketing in the Philippines. Quezon City: Special Studies Division, National Food and Agriculture Council, Dept. of Agriculture, 1977.
Citace podle MLA (9th ed.)Santos, C.L.G. Sweet Potato Marketing in the Philippines. Special Studies Division, National Food and Agriculture Council, Dept. of Agriculture, 1977.
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