Não informado. (1989). Proceedings of the Institution of Mechanical Engineers. Institution of Mechanical Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Proceedings of the Institution of Mechanical Engineers. London: Institution of Mechanical Engineers, 1989.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Proceedings of the Institution of Mechanical Engineers. Institution of Mechanical Engineers, 1989.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.