Jain, R., .Urban, L. V., & .Stacey, G. S. (1993). Environmental assessment. McGraw-Hill.
Cita Chicago (17th ed.)Jain, R.K, L. V. .Urban, i G. S. .Stacey. Environmental Assessment. New York: McGraw-Hill, 1993.
Cita MLA (9th ed.)Jain, R.K, et al. Environmental Assessment. McGraw-Hill, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.