ebrary, Inc. (1992). The National energy modeling system. National Academy Press.
Chicago Style (17th ed.) Citationebrary, Inc. The National Energy Modeling System. Washington, D.C.: National Academy Press, 1992.
ציטוט MLAebrary, Inc. The National Energy Modeling System. National Academy Press, 1992.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.