Villegas, E. M. (1988). The political economy of Philippine labor laws. Foundation for Nationalist Studies.
Čikaški stil citiranja (17. izdanje)Villegas, Edberto M. The Political Economy of Philippine Labor Laws. Quezon City, Philippines: Foundation for Nationalist Studies, 1988.
MLA način citiranja (9. izdanje)Villegas, Edberto M. The Political Economy of Philippine Labor Laws. Foundation for Nationalist Studies, 1988.
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