BECKHARD RICHARD. (1987). ORGANIZATIONAL TRANSITIONS MANAGING COMPLEX CHANGE (2.). ADDISON-WESLEY.
Lua i Stíl Chicago (17ú heag.)BECKHARD RICHARD. ORGANIZATIONAL TRANSITIONS MANAGING COMPLEX CHANGE. 2. MASSACHNELTS: ADDISON-WESLEY, 1987.
Lua MLA (9ú heag.)BECKHARD RICHARD. ORGANIZATIONAL TRANSITIONS MANAGING COMPLEX CHANGE. 2. ADDISON-WESLEY, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.