Toh, M. H., & Low, L. (1990). An economic framework of Singapore: Principles and issues. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Toh, Mun Heng, agus Linda Low. An Economic Framework of Singapore: Principles and Issues. Singapore: McGraw-Hill, 1990.
Lua MLA (9ú heag.)Toh, Mun Heng, agus Linda Low. An Economic Framework of Singapore: Principles and Issues. McGraw-Hill, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.