Gaya APA
ICAO, .
(1984).
AIRPORT MAINTENANCE PRACTICE DOC 9137-AN/898 PART 9
(
FIRST EDITION)
.
Canada:
ICAO.
Gaya MLA
ICAO, .
"AIRPORT MAINTENANCE PRACTICE DOC 9137-AN/898 PART 9".
FIRST EDITION
Canada:
ICAO,
1984.
Text.