Não informado. (1970). POLYMER JOURNAL. Polymer Society of Singapore Polytechnic.
Lua i Stíl Chicago (17ú heag.)Não informado. POLYMER JOURNAL. Singapore: Polymer Society of Singapore Polytechnic, 1970.
Lua MLA (8ú heag.)Não informado. POLYMER JOURNAL. Polymer Society of Singapore Polytechnic, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.