APA-referens (7:e uppl.)

Philippines. National Manpower and Youth Council (Region IX). (1983). Regional manpower plan for Zamboanga del Norte: 1983-87. National Manpower and Youth Council, Region IX.

Chicago-referens (17:e uppl.)

Philippines. National Manpower and Youth Council (Region IX). Regional Manpower Plan for Zamboanga Del Norte: 1983-87. ZamboangaCity: National Manpower and Youth Council, Region IX, 1983.

MLA-referens (9:e uppl.)

Philippines. National Manpower and Youth Council (Region IX). Regional Manpower Plan for Zamboanga Del Norte: 1983-87. National Manpower and Youth Council, Region IX, 1983.

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