Ahmad, Y. J., Filho, A., & Khan, T. (1993). Communicating environmental risks. Earthscan.
Chicago Style (17th ed.) CitationAhmad, Yusuf J., Alvaro Filho, and Tariq Khan. Communicating Environmental Risks. London: Earthscan, 1993.
MLA (9th ed.) CitationAhmad, Yusuf J., et al. Communicating Environmental Risks. Earthscan, 1993.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.