Gaya APA
ICAO, .
(2017).
DOC 9849 GLOBAL NAVIGATION SATELLITE SYSTEM (GNSS) MANUAL
(
THIRD EDITION)
.
Canada:
ICAO.
Gaya MLA
ICAO, .
"DOC 9849 GLOBAL NAVIGATION SATELLITE SYSTEM (GNSS) MANUAL".
THIRD EDITION
Canada:
ICAO,
2017.
Text.