Porzel, R. (2011). Contextual computing: Models and applications. Springer.
Lua i Stíl Chicago (17ú heag.)Porzel, Robert. Contextual Computing: Models and Applications. Berlin, Heidelberg: Springer, 2011.
Lua MLA (9ú heag.)Porzel, Robert. Contextual Computing: Models and Applications. Springer, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.