Lua APA (7ú heag.)
Barnard, W., & Wallace, T. F. (1994). The innovation edge: Creating strategic breakthroughs using the voice of the customer. Omne�o.
Lua i Stíl Chicago (17ú heag.)
Barnard, William, agus Thomas F. Wallace. The Innovation Edge: Creating Strategic Breakthroughs Using the Voice of the Customer. Essex Junction, VT: Omne�o, 1994.
Lua MLA (9ú heag.)
Barnard, William, agus Thomas F. Wallace. The Innovation Edge: Creating Strategic Breakthroughs Using the Voice of the Customer. Omne�o, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.