Hepting, G. H. 1., & Hepting, G. H. 1. (1971). Diseases of forest and shade trees of the United States ([1. edition].). Washington: U.S. Departamento of Agriculture, Forest Service.
Citación estilo ChicagoHepting, George Henry 1907-, y George Henry 1907- Hepting. Diseases of Forest and Shade Trees of the United States. [1. edition]. Washington: U.S. Departamento of Agriculture, Forest Service, 1971.
Cita MLAHepting, George Henry 1907-, y George Henry 1907- Hepting. Diseases of Forest and Shade Trees of the United States. [1. edition]. Washington: U.S. Departamento of Agriculture, Forest Service, 1971.
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