Bente, P. F. (1984). International bio-energy directory and handbook 1984. The Bio-Energy Council.
Lua i Stíl Chicago (17ú heag.)Bente, Paul F. International Bio-energy Directory and Handbook 1984. Washington: The Bio-Energy Council, 1984.
Lua MLA (9ú heag.)Bente, Paul F. International Bio-energy Directory and Handbook 1984. The Bio-Energy Council, 1984.
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