National University of Singapore. Faculty of Engineering. (1989). Engineering journal of Singapore. Faculty of Engineering, University of Singapore.
Lua i Stíl Chicago (17ú heag.)National University of Singapore. Faculty of Engineering. Engineering Journal of Singapore. Singapore: Faculty of Engineering, University of Singapore, 1989.
Lua MLA (8ú heag.)National University of Singapore. Faculty of Engineering. Engineering Journal of Singapore. Faculty of Engineering, University of Singapore, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.