Não informado. (2002). British machine tool engineering. Associated British Machine Tool Makers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. British Machine Tool Engineering. London: Associated British Machine Tool Makers, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. British Machine Tool Engineering. Associated British Machine Tool Makers, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.