Dyfyniad APA
Thornton, J., & Beckwith, S. (2004). Environmental law (2nd ed.). Sweet & Maxwell.
Dyfyniad Arddull Chicago
Thornton, Justine, and Silas Beckwith. Environmental Law. 2nd ed. London: Sweet & Maxwell, 2004.
Dyfyniad MLA
Thornton, Justine, and Silas Beckwith. Environmental Law. 2nd ed. Sweet & Maxwell, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.