Philippines & Rex Book Store. Editorial Staff. (1987). The Omnibus Investments Code: Executive Order no. 226. Rex Book Store.
Citazione stile Chigago Style (17a edizione)Philippines e Rex Book Store. Editorial Staff. The Omnibus Investments Code: Executive Order No. 226. Manila: Rex Book Store, 1987.
Citatione MLA (9a ed.)Philippines e Rex Book Store. Editorial Staff. The Omnibus Investments Code: Executive Order No. 226. Rex Book Store, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.