Não informado. (2007). Fire Management Today. U.S. Department of Agriculture, Forest Service.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Fire Management Today. Washington: U.S. Department of Agriculture, Forest Service, 2007.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Fire Management Today. U.S. Department of Agriculture, Forest Service, 2007.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.