Gaya APA
al., E. et al (1998).
The Productivity And Sustainability Of Southren Forest Ecosystems In A Changing Environment .
New York:
Springer-Verlag.
Gaya MLA
al., Et. et al.
"The Productivity And Sustainability Of Southren Forest Ecosystems In A Changing Environment".
New York:
Springer-Verlag,
1998.
Text.