Philippines, Institute of Labor and Manpower Studies, Reyes, A. D., Ofreneo, R. E., Mateo, H. C., & Galman, M. (1979). Kodigo ng Pilipinas sa paggawa: Atas pampanguluhan blg. 442 na sinusugan ng mga atas pampanguluhan blg. 570-A, 626, 643, 823, 849, 850, 865-A, 891, 1367, 1368, 1391 at 1412. Institute of Labor and Manpower Studies.
Cytowanie według stylu Chicago (wyd. 17)Philippines, Institute of Labor and Manpower Studies, Armando D. Reyes, Rene E. Ofreneo, Hermogenes C. Mateo, i Mario Galman. Kodigo Ng Pilipinas Sa Paggawa: Atas Pampanguluhan Blg. 442 Na Sinusugan Ng Mga Atas Pampanguluhan Blg. 570-A, 626, 643, 823, 849, 850, 865-A, 891, 1367, 1368, 1391 at 1412. [Manila]: Institute of Labor and Manpower Studies, 1979.
Cytowanie według stylu MLA (wyd. 9)Philippines, et al. Kodigo Ng Pilipinas Sa Paggawa: Atas Pampanguluhan Blg. 442 Na Sinusugan Ng Mga Atas Pampanguluhan Blg. 570-A, 626, 643, 823, 849, 850, 865-A, 891, 1367, 1368, 1391 at 1412. Institute of Labor and Manpower Studies, 1979.