Gaya APA
Viana, V, M. (1996).
Certification of Forest Products : Issues and Perspectives / editor, Virgilio M. Viana...[et al.] .
Washington:
Island Press.
Gaya MLA
Viana, Virgilio, M..
"Certification of Forest Products : Issues and Perspectives / editor, Virgilio M. Viana...[et al.]".
Washington:
Island Press,
1996.
Text.