Reardon, R. C., & Reardon, R. C. (1984). How to protect individual trees from western spruce budworm by implants and injections. Canadá: U.S. Departamento of Agriculture.
Citación estilo ChicagoReardon, Richard C., y Richard C. Reardon. How to Protect Individual Trees From Western Spruce Budworm By Implants and Injections. Canadá: U.S. Departamento of Agriculture, 1984.
Cita MLAReardon, Richard C., y Richard C. Reardon. How to Protect Individual Trees From Western Spruce Budworm By Implants and Injections. Canadá: U.S. Departamento of Agriculture, 1984.
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