Παραπομπή σε μορφή APA (7η εκδ.)

Hill, L. H., & Clover, D. E. (2003). Environmental adult education: Ecological learning, theory, and practice for socioenvironmental change. Jossey-Bass.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hill, Lilian H., και Darlene E. Clover. Environmental Adult Education: Ecological Learning, Theory, and Practice for Socioenvironmental Change. San Francisco: Jossey-Bass, 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hill, Lilian H., και Darlene E. Clover. Environmental Adult Education: Ecological Learning, Theory, and Practice for Socioenvironmental Change. Jossey-Bass, 2003.