Ople, B. F. (1981). Workers, managers, elites: The human spectrum of development. Institute of Labor and Manpower Studies.
Citação norma ChicagoOple, Blas F. Workers, Managers, Elites: The Human Spectrum of Development. Manila: Institute of Labor and Manpower Studies, 1981.
Citação norma MLAOple, Blas F. Workers, Managers, Elites: The Human Spectrum of Development. Institute of Labor and Manpower Studies, 1981.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.