Não informado. (2000). Global Environmental Research. Association of International Research Initiatives for Environmental Studies.
Chicago (17e ed.) BronvermeldingNão informado. Global Environmental Research. Tokyo: Association of International Research Initiatives for Environmental Studies, 2000.
MLA (8e ed.) BronvermeldingNão informado. Global Environmental Research. Association of International Research Initiatives for Environmental Studies, 2000.
Let op: Deze citaties zijn niet altijd 100% accuraat.