Cunningham, W. P., & Cunningham, M. A. (2004). Principles of environmental science: Inquiry and applications (2nd ed.). Boston: McGraw-Hill Higher Education.
Stile di citazione ChicagoCunningham, William P., e Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. 2nd ed. Boston: McGraw-Hill Higher Education, 2004.
Citazione MLACunningham, William P., e Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. 2nd ed. Boston: McGraw-Hill Higher Education, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.