9Moneva J M, F Llena. Environmental Disclosures in Annual Reports of Large Companies in Spain [ J ]. European Accounting Review, 2000, 9 ( 1 ) : 7 - 29.
10David Campbell. A Longitudinal and Cross -sectional Analysis of Environmental Disclosure in UK Companies - a Research Note[ J ]. The British Accounting Review, 2004, 36 : 107 - 117.