(1989). Selected environmental law statutes 1989-90 educational edition. West Publishing.
Cita Chicago (17th ed.)Selected Environmental Law Statutes 1989-90 Educational Edition. West Publishing, 1989.
Cita MLA (9th ed.)Selected Environmental Law Statutes 1989-90 Educational Edition. West Publishing, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.