Gaya APA

ICAO, . (2016). DOC 9988 GUIDANCE ON THE DEVELOPMENT OF STATES ACTION PLANS ON CO2 EMISSIONS REDUCTION ACTIVITIES (Second Edition). Canada: ICAO.

Gaya MLA

ICAO, . "DOC 9988 GUIDANCE ON THE DEVELOPMENT OF STATES ACTION PLANS ON CO2 EMISSIONS REDUCTION ACTIVITIES". Second Edition Canada: ICAO, 2016. Text.