Philippines. Professional Regulation Commission. (1975). Presidential decree no. 223 as amended by presidential decree no. 657 and rules and regulations governing the regulation and practice of professionals. Government Print. Office.
Chicago Style (17th ed.) CitationPhilippines. Professional Regulation Commission. Presidential Decree No. 223 as Amended by Presidential Decree No. 657 and Rules and Regulations Governing the Regulation and Practice of Professionals. Manila: Government Print. Office, 1975.
MLA (9th ed.) CitationPhilippines. Professional Regulation Commission. Presidential Decree No. 223 as Amended by Presidential Decree No. 657 and Rules and Regulations Governing the Regulation and Practice of Professionals. Government Print. Office, 1975.
Warning: These citations may not always be 100% accurate.