Gewwald, N. J. (1980). The importance of fuelwood in Central America: An appraisal and a plan for action.
Παραπομπή Chicago StyleGewwald, N J. The Importance of Fuelwood in Central America: An Appraisal and a Plan for Action. 1980.
Παραπομπή MLAGewwald, N J. The Importance of Fuelwood in Central America: An Appraisal and a Plan for Action. 1980.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.