Seow, G. F. (1980). The service sector in Singapore's economy: Performance and structure. Chopmen.
Cita Chicago (17th ed.)Seow, Greg F.-H. The Service Sector in Singapore's Economy: Performance and Structure. Singapore: Chopmen, 1980.
Cita MLA (9th ed.)Seow, Greg F.-H. The Service Sector in Singapore's Economy: Performance and Structure. Chopmen, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.