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.