Rowland, D., & Higgs, M. (2008). Sustaining change: Leadership that works. Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)Rowland, Deborah, agus Malcolm Higgs. Sustaining Change: Leadership That Works. Chichester, England ; Hoboken, NJ: Jossey-Bass, 2008.
Lua MLA (8ú heag.)Rowland, Deborah, agus Malcolm Higgs. Sustaining Change: Leadership That Works. Jossey-Bass, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.