SENGE PETER M. (2006). FIFTH DISCIPLINE: THE ART & PRACTICE OF THE LEARNING ORGANISATION. RANDOM HOUSE.
Lua i Stíl Chicago (17ú heag.)SENGE PETER M. FIFTH DISCIPLINE: THE ART & PRACTICE OF THE LEARNING ORGANISATION. U.K: RANDOM HOUSE, 2006.
Lua MLA (9ú heag.)SENGE PETER M. FIFTH DISCIPLINE: THE ART & PRACTICE OF THE LEARNING ORGANISATION. RANDOM HOUSE, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.