Παραπομπή σε μορφή APA (7η εκδ.)

Unesco-UNEP International Environmental Education Programme. (1986). Procedures for developing an environmental education curriculum: A discussion guide for Unesco training seminars on environmental education. UNESCO.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Unesco-UNEP International Environmental Education Programme. Procedures for Developing an Environmental Education Curriculum: A Discussion Guide for Unesco Training Seminars on Environmental Education. Paris: UNESCO, 1986.

Παραπομπή σε μορφή MLA (9th εκδ.)

Unesco-UNEP International Environmental Education Programme. Procedures for Developing an Environmental Education Curriculum: A Discussion Guide for Unesco Training Seminars on Environmental Education. UNESCO, 1986.