1991 Manpower factbook. Research and Evaluation Division of the Office of Manpower Planning and Coordination.
Citación estilo Chicago1991 Manpower Factbook. Metro Manila: Research and Evaluation Division of the Office of Manpower Planning and Coordination.
Cita MLA1991 Manpower Factbook. Research and Evaluation Division of the Office of Manpower Planning and Coordination.
Warning: These citations may not always be 100% accurate.