Cita APA (7th ed.)

Philippines. National Statistical Coordination Board. (2000). Philippine standard occupational classification: Codebook. National Statistics Office.

Cita Chicago (17th ed.)

Philippines. National Statistical Coordination Board. Philippine Standard Occupational Classification: Codebook. Manila: National Statistics Office, 2000.

Cita MLA (9th ed.)

Philippines. National Statistical Coordination Board. Philippine Standard Occupational Classification: Codebook. National Statistics Office, 2000.