Dale, M. (2003). Developing management skills. Bhuana Ilmu Populer.
Lua i Stíl Chicago (17ú heag.)Dale, Margaret. Developing Management Skills. Bhuana Ilmu Populer, 2003.
Lua MLA (8ú heag.)Dale, Margaret. Developing Management Skills. Bhuana Ilmu Populer, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.