Cita APA (7th ed.)

Nellis, J. R. (1989). Contract plans and public enterprise performance. World Bank.

Cita Chicago (17th ed.)

Nellis, John R. Contract Plans and Public Enterprise Performance. Washington: World Bank, 1989.

Cita MLA (9th ed.)

Nellis, John R. Contract Plans and Public Enterprise Performance. World Bank, 1989.