Warta Ardhia: Jurnal Perhubungan Udara | Air Transportation Research and Development Center. Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Warta Ardhia: Jurnal Perhubungan Udara | Air Transportation Research and Development Center. Cambridge University Press.
MLA način citiranja (8. izdanje)Warta Ardhia: Jurnal Perhubungan Udara | Air Transportation Research and Development Center. Cambridge University Press.
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