(2002). Singapore economy in the 21st century. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Singapore Economy in the 21st Century. McGraw-Hill, 2002.
Lua MLA (8ú heag.)Singapore Economy in the 21st Century. McGraw-Hill, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.