Gaya APA
ICAO, .
(1951).
CIRCULAR 19-AN/16 AN AIRCRAFT LANDING SYSTEM UTILIZING DECIMETRIC WAVES (UHF)
.
Canada:
ICAO.
Gaya MLA
ICAO, .
"CIRCULAR 19-AN/16 AN AIRCRAFT LANDING SYSTEM UTILIZING DECIMETRIC WAVES (UHF)".
Canada:
ICAO,
1951.
Text.