U.S. Environmental Protection Agency. Inventory of the U.S. greenhouse gas emissions and sinks , 1990-2010.
Chicago Style (17th ed.) CitationU.S. Environmental Protection Agency. Inventory of the U.S. Greenhouse Gas Emissions and Sinks , 1990-2010.
ציטוט MLAU.S. Environmental Protection Agency. Inventory of the U.S. Greenhouse Gas Emissions and Sinks , 1990-2010.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.