THEODORE,Louis. (1992). Pollution Prevention Louis Theodore, Young C. Mcguinn. Van Nostrand Reinhold.
Lua i Stíl Chicago (17ú heag.)THEODORE,Louis. Pollution Prevention Louis Theodore, Young C. Mcguinn. Van Nostrand Reinhold, 1992.
Lua MLA (8ú heag.)THEODORE,Louis. Pollution Prevention Louis Theodore, Young C. Mcguinn. Van Nostrand Reinhold, 1992.
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