Alford, D. V. (2000). Pest and disease management handbook. Blackwell Science.
Lua i Stíl Chicago (17ú heag.)Alford, David V. Pest and Disease Management Handbook. London: Blackwell Science, 2000.
Lua MLA (9ú heag.)Alford, David V. Pest and Disease Management Handbook. Blackwell Science, 2000.
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