Philippines (Republic). Department of National Defense & Civil Affairs Office. Civic action: Spadework for development. s.n.
Cita Chicago (17th ed.)Philippines (Republic). Department of National Defense i Civil Affairs Office. Civic Action: Spadework for Development. [Quezon City: s.n.
Cita MLA (9th ed.)Philippines (Republic). Department of National Defense i Civil Affairs Office. Civic Action: Spadework for Development. s.n.
Atenció: Aquestes cites poden no estar 100% correctes.