OVERTON, R. (2002). Launching new products and services. PT.Ina Publikatama.
Lua i Stíl Chicago (17ú heag.)OVERTON, Rodney. Launching New Products and Services. PT.Ina Publikatama, 2002.
Lua MLA (8ú heag.)OVERTON, Rodney. Launching New Products and Services. PT.Ina Publikatama, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.