APA-referens

Ball, S., & Bell, S. (1991). Environmental law: The law and policy relating to the protectin of the environment (Ed.3.).

Chicago-stil citat

Ball, Simon, och Stuart Bell. Environmental Law: The Law and Policy Relating to the Protectin of the Environment. Ed.3. London, Blackstone Press Limited, 1991.

MLA-referens

Ball, Simon, och Stuart Bell. Environmental Law: The Law and Policy Relating to the Protectin of the Environment. Ed.3. 1991.