HENG, T. M. (1990). An Economic Framework Of Singapore Principles And Issues Toh Mun Heng, Linda Low. McGraw-Hill.
Chicago (17e ed.) BronvermeldingHENG, Toh Mun. An Economic Framework Of Singapore Principles And Issues Toh Mun Heng, Linda Low. McGraw-Hill, 1990.
MLA (8e ed.) BronvermeldingHENG, Toh Mun. An Economic Framework Of Singapore Principles And Issues Toh Mun Heng, Linda Low. McGraw-Hill, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.