Não informado. (1927). Abstracts from the Scientific and Technical Press. Royal Aeronautical Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Abstracts from the Scientific and Technical Press. London: Royal Aeronautical Society, 1927.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Abstracts from the Scientific and Technical Press. Royal Aeronautical Society, 1927.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.