Hungerford, H. R. (1980). Strategies for developing an environmental education curriculum: A discussion guide for Unesco training workshops on environmental education. Unesco, Regional Office for Education in Asia and Oceania.
Chicago Style (17th ed.) CitationHungerford, Harold R. Strategies for Developing an Environmental Education Curriculum: A Discussion Guide for Unesco Training Workshops on Environmental Education. Bangkok: Unesco, Regional Office for Education in Asia and Oceania, 1980.
ציטוט MLAHungerford, Harold R. Strategies for Developing an Environmental Education Curriculum: A Discussion Guide for Unesco Training Workshops on Environmental Education. Unesco, Regional Office for Education in Asia and Oceania, 1980.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.