Gaya APA

Kohm, , K, A., Franklin, , J, F, . (1997). Creating a forestry for the 21st century . : Island Press.Washington.

Gaya MLA

Kohm, , Kathryn, A., Franklin, , Jerry, F, . "Creating a forestry for the 21st century". : Island Press.Washington, 1997. Skripsi, Tesis, Disertasi.