Warta Ardhia: Jurnal Perhubungan Udara | Air Transportation Research and Development Center. Cambridge University Press.
Cita Chicago (17th ed.)Warta Ardhia: Jurnal Perhubungan Udara | Air Transportation Research and Development Center. Cambridge University Press.
Cita MLA (8th ed.)Warta Ardhia: Jurnal Perhubungan Udara | Air Transportation Research and Development Center. Cambridge University Press.
Atenció: Aquestes cites poden no estar 100% correctes.