Graves, A. H. (1952). Illustrated guide to trees and shrubs: This is a guide to the woody plants of the northeastern United States, native, naturalized and commonly cultivated exotic kinds, including both summer and winter characters. El autor.
Cita Chicago Style (17a ed.)Graves, Arthur Harmount. Illustrated Guide to Trees and Shrubs: This Is a Guide to the Woody Plants of the Northeastern United States, Native, Naturalized and Commonly Cultivated Exotic Kinds, Including Both Summer and Winter Characters. Wallingford: El autor, 1952.
Cita MLA (8a ed.)Graves, Arthur Harmount. Illustrated Guide to Trees and Shrubs: This Is a Guide to the Woody Plants of the Northeastern United States, Native, Naturalized and Commonly Cultivated Exotic Kinds, Including Both Summer and Winter Characters. El autor, 1952.