Inter Regional Training Course on Environmental Education for Educational Planners and Administrators New Delhi, India, Unesco-UNEP International Environmental Education Programme, & National Institute of Educational Planning and Administration (India). (1989). Inter Regional Training Course on Environmental Education for Educational Planners and Administrators, New Delhi, February 13-18, 1989: Report. National Institute of Educational Planning and Administration.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Inter Regional Training Course on Environmental Education for Educational Planners and Administrators New Delhi, India, Unesco-UNEP International Environmental Education Programme, và National Institute of Educational Planning and Administration (India). Inter Regional Training Course on Environmental Education for Educational Planners and Administrators, New Delhi, February 13-18, 1989: Report. New Delhi, India: National Institute of Educational Planning and Administration, 1989.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Inter Regional Training Course on Environmental Education for Educational Planners and Administrators New Delhi, India, et al. Inter Regional Training Course on Environmental Education for Educational Planners and Administrators, New Delhi, February 13-18, 1989: Report. National Institute of Educational Planning and Administration, 1989.