Ople, B. F. (1981). Workers, managers, elites: The human spectrum of development. Institute of Labor and Manpower Studies.
Chicago Style (17th ed.) CitationOple, Blas F. Workers, Managers, Elites: The Human Spectrum of Development. Manila: Institute of Labor and Manpower Studies, 1981.
MLA (9th ed.) CitationOple, Blas F. Workers, Managers, Elites: The Human Spectrum of Development. Institute of Labor and Manpower Studies, 1981.
Warning: These citations may not always be 100% accurate.