APA (7e ed.) Bronvermelding

Steel, W. F., & Takagi, Y. (1978). The intermediate sector, unemployment, and the employment-output conflict: A multi-sector model. World Bank.

Chicago (17e ed.) Bronvermelding

Steel, William F., en Yasouki Takagi. The Intermediate Sector, Unemployment, and the Employment-output Conflict: A Multi-sector Model. Washington, D.C: World Bank, 1978.

MLA (9e ed.) Bronvermelding

Steel, William F., en Yasouki Takagi. The Intermediate Sector, Unemployment, and the Employment-output Conflict: A Multi-sector Model. World Bank, 1978.