Philippines. (1998). 1998 supplement to Philippine National Police Law. Central Book Supply.
Cita Chicago (17th ed.)Philippines. 1998 Supplement to Philippine National Police Law. Manila: Central Book Supply, 1998.
Cita MLA (9th ed.)Philippines. 1998 Supplement to Philippine National Police Law. Central Book Supply, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.