Cita APA (7th ed.)

Toh, M. H., & Low, L. (1990). An economic framework of Singapore: Principles and issues. McGraw-Hill.

Cita Chicago (17th ed.)

Toh, Mun Heng, i Linda Low. An Economic Framework of Singapore: Principles and Issues. Singapore: McGraw-Hill, 1990.

Cita MLA (9th ed.)

Toh, Mun Heng, i Linda Low. An Economic Framework of Singapore: Principles and Issues. McGraw-Hill, 1990.