Não informado. (2000). Global Environmental Research. Association of International Research Initiatives for Environmental Studies.
Chicago-viite (17. p.)Não informado. Global Environmental Research. Tokyo: Association of International Research Initiatives for Environmental Studies, 2000.
MLA-viite (8. p.)Não informado. Global Environmental Research. Association of International Research Initiatives for Environmental Studies, 2000.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.