Liyanage Uditha. (2015). Consumer Strategy. PostGraduate Institute of Management.
Lua i Stíl Chicago (17ú heag.)Liyanage Uditha. Consumer Strategy. Srilanka: PostGraduate Institute of Management, 2015.
Lua MLA (9ú heag.)Liyanage Uditha. Consumer Strategy. PostGraduate Institute of Management, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.