Gaya APA
Friederici, P. (2003).
Ecological restoration of southwestern ponderosa pine forests : Editor: Peter Friederici .
Washinton:
Island Press.
Gaya MLA
Friederici, Peter..
"Ecological restoration of southwestern ponderosa pine forests : Editor: Peter Friederici".
Washinton:
Island Press,
2003.
Buku.