Cunningham, W. P., & Cunningham, M. A. (2004). Principles of environmental science: Inquiry and applications (2nd ed.). Boston: McGraw-Hill Higher Education.
Styl cytowania ChicagoCunningham, William P., i Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. 2nd ed. Boston: McGraw-Hill Higher Education, 2004.
Styl cytowania MLACunningham, William P., i Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. 2nd ed. Boston: McGraw-Hill Higher Education, 2004.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..