Gaya APA

Sedjo, R, A. (1981). Postwar Trends In U.S. Forest products Trade A global, National, and regional View . Amerika: Resources For The Future / Whasington, D.C.

Gaya MLA

Sedjo, Roger, A.. "Postwar Trends In U.S. Forest products Trade A global, National, and regional View". Amerika: Resources For The Future / Whasington, D.C, 1981. Text.