Philippines (Republic). National Economic Council. Office of Statistical Coordination and Standards & University of the Philippines (Manila). Statistical Center. (1957). Statistical services of the Philippine Government, July 1957 (Rev. ed.). [s.n.
Cytowanie według stylu Chicago (wyd. 17)Philippines (Republic). National Economic Council. Office of Statistical Coordination and Standards i University of the Philippines (Manila). Statistical Center. Statistical Services of the Philippine Government, July 1957. Rev. ed. Manila: [s.n, 1957.
Cytowanie według stylu MLA (wyd. 9)Philippines (Republic). National Economic Council. Office of Statistical Coordination and Standards i University of the Philippines (Manila). Statistical Center. Statistical Services of the Philippine Government, July 1957. Rev. ed. [s.n, 1957.