एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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