Gaya APA

ICAO, . (2027). Annex 16: Enviromental protection : Volume III – Airccraft CO2 emissions (Ed. 4). Montreal: ICAO.

Gaya MLA

ICAO, . "Annex 16: Enviromental protection : Volume III – Airccraft CO2 emissions". Ed. 4 Montreal: ICAO, 2027. Text.