Παραπομπή σε μορφή APA (7η εκδ.)

United Nations Environment Programme, Atchia, M., & Tropp, S. (1995). Environmental management: Issues and solutions. John Wiley & sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

United Nations Environment Programme, Michael Atchia, και Shawna Tropp. Environmental Management: Issues and Solutions. Chichester: John Wiley & sons, 1995.

Παραπομπή σε μορφή MLA (9th εκδ.)

United Nations Environment Programme, et al. Environmental Management: Issues and Solutions. John Wiley & sons, 1995.