Posey, D. A., & Dutfield, G. (1996). Beyond intellectual property. IDRC.
Lua i Stíl Chicago (17ú heag.)Posey, Darrell A., agus Graham Dutfield. Beyond Intellectual Property. Ottawa: IDRC, 1996.
Lua MLA (9ú heag.)Posey, Darrell A., agus Graham Dutfield. Beyond Intellectual Property. IDRC, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.