APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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