Gaya APA
Berk, Hayri. (1997).
Proceedings of the XI World Forestry Congress: The Economic Contribution of Forestry to Sustainable Development .
Ankara:
World Forestry Congress.
Gaya Chicago
Berk, Hayri.
Proceedings of the XI World Forestry Congress: The Economic Contribution of Forestry to Sustainable Development.
Ankara:
World Forestry Congress,
1997.
Proceeding.
Gaya MLA
Berk, Hayri.
Proceedings of the XI World Forestry Congress: The Economic Contribution of Forestry to Sustainable Development.
Ankara:
World Forestry Congress,
1997.
Proceeding.
Gaya Turabian
Berk, Hayri.
Proceedings of the XI World Forestry Congress: The Economic Contribution of Forestry to Sustainable Development.
Ankara:
World Forestry Congress,
1997.
Proceeding.