Dyfyniad APA

Global Environment Facility. (1993). Global monitoring of greenhouse gases including ozone: Project Document.

Dyfyniad Arddull Chicago

Global Environment Facility. Global Monitoring of Greenhouse Gases Including Ozone: Project Document. 1993.

Dyfyniad MLA

Global Environment Facility. Global Monitoring of Greenhouse Gases Including Ozone: Project Document. 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.