CATHY ROHEIM WESSELLS ... [et al.]. (2001). Product certification and ecolabelling for fisheries sustainability. Rome, Italy: FAO.
Chicago-tyylinen lähdeviittausCATHY ROHEIM WESSELLS ... [et al.]. Product Certification and Ecolabelling for Fisheries Sustainability. Rome, Italy: FAO, 2001.
MLA-viiteCATHY ROHEIM WESSELLS ... [et al.]. Product Certification and Ecolabelling for Fisheries Sustainability. Rome, Italy: FAO, 2001.
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