B Marshall. (1994). CIFA technical paper; N.29: Small water bodies and their fisheries in Southern Africa. Rome: FAO.
Chicago-tyylinen lähdeviittausB Marshall. CIFA Technical Paper; N.29: Small Water Bodies and Their Fisheries in Southern Africa. Rome: FAO, 1994.
MLA-viiteB Marshall. CIFA Technical Paper; N.29: Small Water Bodies and Their Fisheries in Southern Africa. Rome: FAO, 1994.
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