Raeder-Roitzsch, J. E. (1974). Institutional forestry problems in the Sahelian region. United Nations, Secretariat, Special Sahelian Office.
Lua i Stíl Chicago (17ú heag.)Raeder-Roitzsch, J. E. Institutional Forestry Problems in the Sahelian Region. [s.l.]: United Nations, Secretariat, Special Sahelian Office, 1974.
Lua MLA (8ú heag.)Raeder-Roitzsch, J. E. Institutional Forestry Problems in the Sahelian Region. United Nations, Secretariat, Special Sahelian Office, 1974.
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