Lua APA (7ú heag.)

Não informado. (1962). Quality. European Organization for Quality Control.

Lua i Stíl Chicago (17ú heag.)

Não informado. Quality. Rotterdam, Holanda: European Organization for Quality Control, 1962.

Lua MLA (8ú heag.)

Não informado. Quality. European Organization for Quality Control, 1962.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.