Philippines. National Police Commission, Examining Division, & Personnel Service. (1980). Monograph on NAPOLCOM police service examination. NAPOLCOM.
Citazione stile Chigago Style (17a edizione)Philippines. National Police Commission, Examining Division, e Personnel Service. Monograph on NAPOLCOM Police Service Examination. Makati: NAPOLCOM, 1980.
Citatione MLA (9a ed.)Philippines. National Police Commission, et al. Monograph on NAPOLCOM Police Service Examination. NAPOLCOM, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.