Caddell, R., Trouwborst, A., & Couzens, E. (2013). To Free or Not to Free? State Obligations and the Rescue and Release of Marine Mammals: A Case Study of ‘Morgan the Orca’. Transnational Environmental Law, 2(01), pp. 117-144. doi:10.1017/S2047102512000222

Caddell, Richard, Arie Trouwborst, and Ed Couzens. "To Free or Not to Free? State Obligations and the Rescue and Release of Marine Mammals: A Case Study of ‘Morgan the Orca’." Transnational Environmental Law 2, no. 01 (2013): 117-144.

Caddell, Richard, Arie Trouwborst, and Ed Couzens. "To Free or Not to Free? State Obligations and the Rescue and Release of Marine Mammals: A Case Study of ‘Morgan the Orca’." Transnational Environmental Law 2.01 (2013): 117-144.