APA-referens (7:e uppl.)

(1978). ILO conventions ratified by the Philippine government. Institute of Labor and Manpower Studies.

Chicago-referens (17:e uppl.)

ILO Conventions Ratified by the Philippine Government. Manila: Institute of Labor and Manpower Studies, 1978.

MLA-referens (9:e uppl.)

ILO Conventions Ratified by the Philippine Government. Institute of Labor and Manpower Studies, 1978.

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