Harrigan, K. R. (1985). Strategic flexibility: A management guide for changing times. Lexington Books.
Lua i Stíl Chicago (17ú heag.)Harrigan, Kathryn Rudie. Strategic Flexibility: A Management Guide for Changing Times. Lexington, Mass.: Lexington Books, 1985.
Lua MLA (8ú heag.)Harrigan, Kathryn Rudie. Strategic Flexibility: A Management Guide for Changing Times. Lexington Books, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.