Παραπομπή σε μορφή APA (7η εκδ.)

Thompson, P. J. (1997). Environmental education for the 21st century: International and interdisciplinary perspectives. Peter Lang.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Thompson, Patricia J. Environmental Education for the 21st Century: International and Interdisciplinary Perspectives. New York: Peter Lang, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Thompson, Patricia J. Environmental Education for the 21st Century: International and Interdisciplinary Perspectives. Peter Lang, 1997.