Philippines (Republic). Industrial Development Center & Accounting Service. Labor accounting and reporting. s.n.
Citazione stile Chigago Style (17a edizione)Philippines (Republic). Industrial Development Center e Accounting Service. Labor Accounting and Reporting. [Manila: s.n.
Citatione MLA (9a ed.)Philippines (Republic). Industrial Development Center e Accounting Service. Labor Accounting and Reporting. s.n.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.