Williams, C. (1992). Simple economics and bookkeeping for fish farmers. Rome: FAO.
Trích dẫn kiểu ChicagoWilliams, Colin. Simple Economics and Bookkeeping for Fish Farmers. Rome: FAO, 1992.
MLA CitationWilliams, Colin. Simple Economics and Bookkeeping for Fish Farmers. Rome: FAO, 1992.
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