Cita APA (7a ed.)

Philippines (Republic). Congress. Joint Local Government Reform Commission. (1970). Local government directory: Province of Ilocos Sur. The Commission.

Cita Chicago Style (17a ed.)

Philippines (Republic). Congress. Joint Local Government Reform Commission. Local Government Directory: Province of Ilocos Sur. Manila: The Commission, 1970.

Cita MLA (9a ed.)

Philippines (Republic). Congress. Joint Local Government Reform Commission. Local Government Directory: Province of Ilocos Sur. The Commission, 1970.