Singapore International Chamber of Commerce. (1974). Investor's guide (Rev.). Singapore International Chamber of Commerce.
Lua i Stíl Chicago (17ú heag.)Singapore International Chamber of Commerce. Investor's Guide. Rev. Singapore: Singapore International Chamber of Commerce, 1974.
Lua MLA (8ú heag.)Singapore International Chamber of Commerce. Investor's Guide. Rev. Singapore International Chamber of Commerce, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.