Gaya APA
ICAO, . (2017).
ICAO Annex 16 Environmental Protection: Volume II Aircraft Engine Emissions (4th edition).
Canada:
ICAO.
Gaya MLA
ICAO, .
"ICAO Annex 16 Environmental Protection: Volume II Aircraft Engine Emissions".
4th edition
Canada:
ICAO,
2017.
Electronic Resource.