Kramer, L. (1998). EC Treaty and environmental law (ed. 3.). Sweet and Maxwell.
Chicago Style aipamenaKramer, Ludwig. EC Treaty and Environmental Law. ed. 3. London: Sweet and Maxwell, 1998.
MLA aipamenaKramer, Ludwig. EC Treaty and Environmental Law. ed. 3. Sweet and Maxwell, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.