APA
Sedjo R. A., Lyon K. S., . (1990). The long-term adequacy of world timber supply. Washington: Resources for the future.
Chicago
Sedjo Roger A, Lyon Kenneth S, . 1990. The long-term adequacy of world timber supply. Washington: Resources for the future.
Harvard
Sedjo R. A., Lyon K. S., . (1990). The long-term adequacy of world timber supply. Washington: Resources for the future.
MLA
Sedjo Roger A, Lyon Kenneth S, . The long-term adequacy of world timber supply. Washington: Resources for the future. 1990.