Não informado. (1962). Quality. European Organization for Quality Control.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Quality. Rotterdam, Holanda: European Organization for Quality Control, 1962.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Quality. European Organization for Quality Control, 1962.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.