Sharpe, G. W. (2003). Introduction to forests and renewable resources. Boston, MA: McGraw -Hill.
Παραπομπή Chicago StyleSharpe, Grant William. Introduction to Forests and Renewable Resources. Boston, MA: McGraw -Hill, 2003.
Παραπομπή MLASharpe, Grant William. Introduction to Forests and Renewable Resources. Boston, MA: McGraw -Hill, 2003.
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