Philippines. Congress & Philippines. [Legislative history]: Republic Act No. 9072 : an act to manage and protect caves and cave resources and for other purposes.
Citazione stile Chigago Style (17a edizione)Philippines. Congress e Philippines. [Legislative History]: Republic Act No. 9072 : An Act to Manage and Protect Caves and Cave Resources and for Other Purposes.
Citatione MLA (9a ed.)Philippines. Congress e Philippines. [Legislative History]: Republic Act No. 9072 : An Act to Manage and Protect Caves and Cave Resources and for Other Purposes.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.