Heathcote, I. W., Allanson, K. J., & Morriss, J. M. (1997). Environmental problem-solving: A case study approach. McGraw-Hill.
Čikaški stil citiranja (17. izdanje)Heathcote, Isobel W., Karen J. Allanson, i John M. Morriss. Environmental Problem-solving: A Case Study Approach. New York: McGraw-Hill, 1997.
MLA način citiranja (9. izdanje)Heathcote, Isobel W., et al. Environmental Problem-solving: A Case Study Approach. McGraw-Hill, 1997.
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