William A. Geering. (2001). Manual on the preparation of African swine fever contingency plans. Rome, Italy: FAO.
Čikaški stil citiranjaWilliam A. Geering. Manual On the Preparation of African Swine Fever Contingency Plans. Rome, Italy: FAO, 2001.
MLA način citiranjaWilliam A. Geering. Manual On the Preparation of African Swine Fever Contingency Plans. Rome, Italy: FAO, 2001.
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