APA aipamena

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 aipamena

Hungerford, 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.

MLA aipamena

Hungerford, 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.