Não informado. (1930). Journal of Air Law. Northwestern University, Law Schools.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of Air Law. Chicago, Ill: Northwestern University, Law Schools, 1930.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of Air Law. Northwestern University, Law Schools, 1930.
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