APA引文

Sanchez, A. M. (1961). Roots of the sins in the Philippine government. [s.n.].

Chicago Style (17th ed.) Citation

Sanchez, Antonio M. Roots of the Sins in the Philippine Government. Manilan: [s.n.], 1961.

MLA引文

Sanchez, Antonio M. Roots of the Sins in the Philippine Government. [s.n.], 1961.