Day, A. (1999). Five hundred tips for developing a learning organization. Kogan Page.
Lua i Stíl Chicago (17ú heag.)Day, Abby. Five Hundred Tips for Developing a Learning Organization. London: Kogan Page, 1999.
Lua MLA (9ú heag.)Day, Abby. Five Hundred Tips for Developing a Learning Organization. Kogan Page, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.