APA-referens (7:e uppl.)

Heathcote, I. W., Allanson, K. J., & Morriss, J. M. (1997). Environmental problem-solving: A case study approach. McGraw-Hill.

Chicago-referens (17:e uppl.)

Heathcote, Isobel W., Karen J. Allanson, och John M. Morriss. Environmental Problem-solving: A Case Study Approach. New York: McGraw-Hill, 1997.

MLA-referens (9:e uppl.)

Heathcote, Isobel W., et al. Environmental Problem-solving: A Case Study Approach. McGraw-Hill, 1997.