Dyfyniad APA

Kramer, L. (1992). Focus on European environmental law. Sweet and Maxwell.

Dyfyniad Arddull Chicago

Kramer, Ludwig. Focus on European Environmental Law. London: Sweet and Maxwell, 1992.

Dyfyniad MLA

Kramer, Ludwig. Focus on European Environmental Law. Sweet and Maxwell, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.