Alford, D. V. (2000). Pest and disease management handbook. Blackwell Science.
Cita Chicago (17th ed.)Alford, David V. Pest and Disease Management Handbook. London: Blackwell Science, 2000.
Cita MLA (9th ed.)Alford, David V. Pest and Disease Management Handbook. Blackwell Science, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.