Andrews, W. A., Moore, D. K., & LeRoy, A. C. (1972). A guide to the study of environmental pollution. Prentice-Hall.
Cita Chicago (17th ed.)Andrews, William A., Donna K. Moore, i Alex C. LeRoy. A Guide to the Study of Environmental Pollution. Englewood Cliffs, N.J.: Prentice-Hall, 1972.
Cita MLA (9th ed.)Andrews, William A., et al. A Guide to the Study of Environmental Pollution. Prentice-Hall, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.