Philippines & Congressional Research & Training Service. (1991). Primer on the foreign investments act of 1991. CRTS.
Citazione stile Chigago Style (17a edizione)Philippines e Congressional Research & Training Service. Primer on the Foreign Investments Act of 1991. Quezon City: CRTS, 1991.
Citatione MLA (9a ed.)Philippines e Congressional Research & Training Service. Primer on the Foreign Investments Act of 1991. CRTS, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.