Senge, P. (2006). Fifth Discipline (1st.). Random House.
Lua i Stíl Chicago (17ú heag.)Senge, Peter. Fifth Discipline. 1st. Random House, 2006.
Lua MLA (9ú heag.)Senge, Peter. Fifth Discipline. 1st. Random House, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.