SCHONBERGER RICHARD J. (1982). JAPANESE MANAFACTURING TECHNIQUES. FREE PRESS.
Lua i Stíl Chicago (17ú heag.)SCHONBERGER RICHARD J. JAPANESE MANAFACTURING TECHNIQUES. NEW YORK: FREE PRESS, 1982.
Lua MLA (9ú heag.)SCHONBERGER RICHARD J. JAPANESE MANAFACTURING TECHNIQUES. FREE PRESS, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.