Cita APA

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

Chicago Edition Citation

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

Cita MLA

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