SHARPE, G. W. Introduction to forest and renewable resources. McGraw-Hill.
Chicago Style aipamenaSHARPE, GRANT W. Introduction to Forest and Renewable Resources. McGraw-Hill.
MLA aipamenaSHARPE, GRANT W. Introduction to Forest and Renewable Resources. McGraw-Hill.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.