Friedman, F. (2003). Practical guide to environmental management (9th ed.). Washington, D.C.: Environmental Law Institute.
Chicago-стиль цитированияFriedman, Frank. Practical Guide to Environmental Management. 9th ed. Washington, D.C.: Environmental Law Institute, 2003.
MLA-цитированиеFriedman, Frank. Practical Guide to Environmental Management. 9th ed. Washington, D.C.: Environmental Law Institute, 2003.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.