Não informado. (1955). Welding research abroad. Welding Research Council, Engineering Foundation.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Welding Research Abroad. New York: Welding Research Council, Engineering Foundation, 1955.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Welding Research Abroad. Welding Research Council, Engineering Foundation, 1955.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.