Παραπομπή σε μορφή APA (7η εκδ.)

United Nations Environment Programme, Ahmad, Y. J., & Muller, F. G. (1982). Integrated physical,socio-economic and environmental planning. Tycooly International.

Παραπομπή σε μορφή Chicago (17η εκδ.)

United Nations Environment Programme, Yusuf J. Ahmad, και Frank G. Muller. Integrated Physical,socio-economic and Environmental Planning. Dublin: Tycooly International, 1982.

Παραπομπή σε μορφή MLA (9th εκδ.)

United Nations Environment Programme, et al. Integrated Physical,socio-economic and Environmental Planning. Tycooly International, 1982.