Geering, W., Penrith, M., & Nyakahuma, D. (2001). Manual on the preparation of african swine fever contingency plans.
Chicago Style (17. basım) AtıfGeering, William, Mary-Louise Penrith, ve David Nyakahuma. Manual on the Preparation of African Swine Fever Contingency Plans. 2001.
MLA (9th ed.) AtıfGeering, William, et al. Manual on the Preparation of African Swine Fever Contingency Plans. 2001.
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