Hughes, D. (1992). Environmental Law (2nd ed.). Butterworths.
Chicago ZitierstilHughes, David. Environmental Law. 2nd ed. London: Butterworths, 1992.
MLA ZitierstilHughes, David. Environmental Law. 2nd ed. Butterworths, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.