FAA rules to clear commercial drone flights. IN Shipping Bulletin. Manila Bulletin.
Cita Chicago (17th ed.)"FAA Rules to Clear Commercial Drone Flights. IN Shipping Bulletin." Manila Bulletin .
Cita MLA (9th ed.)"FAA Rules to Clear Commercial Drone Flights. IN Shipping Bulletin." Manila Bulletin, .
Atenció: Aquestes cites poden no estar 100% correctes.