Global Environment Facility. (1993). Global monitoring of greenhouse gases including ozone: Project Document.
Chicago (17e ed.) BronvermeldingGlobal Environment Facility. Global Monitoring of Greenhouse Gases Including Ozone: Project Document. 1993.
MLA (9e ed.) BronvermeldingGlobal Environment Facility. Global Monitoring of Greenhouse Gases Including Ozone: Project Document. 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.