United Nations Development Programme. (1994). Genetic improvement of farmed tilapia: Phase II: (October 1993 to September 1994). New York: United Nations Development Programme.
Chicago-tyylinen lähdeviittausUnited Nations Development Programme. Genetic Improvement of Farmed Tilapia: Phase II: (October 1993 to September 1994). New York: United Nations Development Programme, 1994.
MLA-viiteUnited Nations Development Programme. Genetic Improvement of Farmed Tilapia: Phase II: (October 1993 to September 1994). New York: United Nations Development Programme, 1994.
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