Philippines & Lasquety, V. V. (1984). National internal revenue code of the Philippines. [s.n.].
Citazione stile Chigago Style (17a edizione)Philippines e Vicente V. Lasquety. National Internal Revenue Code of the Philippines. Quezon City: [s.n.], 1984.
Citatione MLA (9a ed.)Philippines e Vicente V. Lasquety. National Internal Revenue Code of the Philippines. [s.n.], 1984.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.