Society of Environmental Communications. (1992). (Journal) Down to earth. Society of Environmental Communications.
Chicago Edition CitationSociety of Environmental Communications. (Journal) Down to Earth. New Delhi: Society of Environmental Communications, 1992.
ציטוט MLASociety of Environmental Communications. (Journal) Down to Earth. Society of Environmental Communications, 1992.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.