Heathcote, I. W. (1997). Environmental problem-solving : a case study: Approach. McGraw-Hill.
Chicago Style (17. basım) AtıfHeathcote, Isobel W. Environmental Problem-solving : a Case Study: Approach. Boston: McGraw-Hill, 1997.
MLA (9th ed.) AtıfHeathcote, Isobel W. Environmental Problem-solving : a Case Study: Approach. McGraw-Hill, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..