Wright Richard T. (2011). Environmental science: Toward a sustainable future. PHI Learning.
Chicago Style (17th ed.) CitationWright Richard T. Environmental Science: Toward a Sustainable Future. New Delhi: PHI Learning, 2011.
ציטוט MLAWright Richard T. Environmental Science: Toward a Sustainable Future. PHI Learning, 2011.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.