Gaya APA
Academy, O, A. (2014).
Aircraf General Knowledge II : AC electrics, DC electrics , radio popagation (Ed. 6).
England:
Transair.
Gaya MLA
Academy, Oxford, Aviation.
"Aircraf General Knowledge II : AC electrics, DC electrics , radio popagation".
Ed. 6
England:
Transair,
2014.
Text.