Geering, W., Penrith, M., & Nyakahuma, D. (2001). Manual on procedures for disease eradication by stamping out.
Chicago-čujuhus (17. p.)Geering, William, Mary-Louise Penrith, juo David Nyakahuma. Manual on Procedures for Disease Eradication by Stamping Out. 2001.
MLA-čujuhus (9. p.)Geering, William, et al. Manual on Procedures for Disease Eradication by Stamping Out. 2001.
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