Philippine Statistics Authority. (2018). 2018 Philippine statistical yearbook. PSA.
Citazione stile Chigago Style (17a edizione)Philippine Statistics Authority. 2018 Philippine Statistical Yearbook. Diliman, Quezon City: PSA, 2018.
Citatione MLA (9a ed.)Philippine Statistics Authority. 2018 Philippine Statistical Yearbook. PSA, 2018.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.