Association of Structural Engineers of the Philippines, Philippines (Republic). Board of Examiners for Civil Engineers, & Philippine Association of Civil Engineers. (1972). National structural code for buildings. s.n.].
Chicago Style (17. basım) AtıfAssociation of Structural Engineers of the Philippines, Philippines (Republic). Board of Examiners for Civil Engineers, ve Philippine Association of Civil Engineers. National Structural Code for Buildings. [Manila: s.n.], 1972.
MLA (9th ed.) AtıfAssociation of Structural Engineers of the Philippines, et al. National Structural Code for Buildings. s.n.], 1972.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..