Gray, R. 2000. “Current developments and trends in social and environmental auditing, reporting and attestation: A personal perspective”.  Centre for Social and Environmental Accounting Research (CSEAR), Dundee, United Kingdom.
Id., 2000, «Current developments and trends in social and environmental auditing, reporting and attestation: A personal perspective», Centre for Social and Environmental Accounting Research (CSEAR), Dundee (Royaume-Uni).