Não informado. Tropical woods. Yale University, School of Forestry.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Tropical Woods. New Haven, Conn: Yale University, School of Forestry.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Tropical Woods. Yale University, School of Forestry.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.