Indian Council of Forestry Research and Education. Forest valuation: International training: Forestry Research Education and Extension Project.
Παραπομπή σε μορφή Chicago (17η εκδ.)Indian Council of Forestry Research and Education. Forest Valuation: International Training: Forestry Research Education and Extension Project.
Παραπομπή σε μορφή MLA (9th εκδ.)Indian Council of Forestry Research and Education. Forest Valuation: International Training: Forestry Research Education and Extension Project.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.