APA
Philippine Institute of Civil Engineers, . (2002). Manual of professional practice for civil engineers. Quezon City: Philippine Institute of Civil Engineers.
Chicago
Philippine Institute of Civil Engineers, . 2002. Manual of professional practice for civil engineers. Quezon City: Philippine Institute of Civil Engineers.
Harvard
Philippine Institute of Civil Engineers, . (2002). Manual of professional practice for civil engineers. Quezon City: Philippine Institute of Civil Engineers.
MLA
Philippine Institute of Civil Engineers, . Manual of professional practice for civil engineers. Quezon City: Philippine Institute of Civil Engineers. 2002.