Lua APA (7ú heag.)
ebrary, Inc, & Sims, R. E. H. (2004). Bioenergy options for a cleaner environment in developed and developing countries. Elsevier.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Ralph E. H. Sims. Bioenergy Options for a Cleaner Environment in Developed and Developing Countries. Amsterdam ; Boston: Elsevier, 2004.
Lua MLA (9ú heag.)
ebrary, Inc, agus Ralph E. H. Sims. Bioenergy Options for a Cleaner Environment in Developed and Developing Countries. Elsevier, 2004.
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