A P.M Show. (1987). FAO animal production and health paper N.67.1: Trypanotolerant cattle and livestock development in West and Central Africa: Vol.2. Rome: FAO.
Chicago-tyylinen lähdeviittausA P.M Show. FAO Animal Production and Health Paper N.67.1: Trypanotolerant Cattle and Livestock Development in West and Central Africa: Vol.2. Rome: FAO, 1987.
MLA-viiteA P.M Show. FAO Animal Production and Health Paper N.67.1: Trypanotolerant Cattle and Livestock Development in West and Central Africa: Vol.2. Rome: FAO, 1987.
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