Philippines. (1987). Presidential Decree no. 857: Revised charter of the Philippine ports authority : as amended by executive order no. 513 dated 16 November 1978, executive order no. 546 dated 23 July 1979, letter of instruction no. 1005-A dated 11 April 1980, executive order no. 710 dated 27 July 1981, executive order no. 783 dated 165 [sic] March 1982, executive order no. 159 dated 13 April 1987. Corporate Communications, Philippine Ports Authority.
Chicago Style (17th ed.) CitationPhilippines. Presidential Decree No. 857: Revised Charter of the Philippine Ports Authority : As Amended by Executive Order No. 513 Dated 16 November 1978, Executive Order No. 546 Dated 23 July 1979, Letter of Instruction No. 1005-A Dated 11 April 1980, Executive Order No. 710 Dated 27 July 1981, Executive Order No. 783 Dated 165 [sic] March 1982, Executive Order No. 159 Dated 13 April 1987. Manila: Corporate Communications, Philippine Ports Authority, 1987.
MLA (9th ed.) CitationPhilippines. Presidential Decree No. 857: Revised Charter of the Philippine Ports Authority : As Amended by Executive Order No. 513 Dated 16 November 1978, Executive Order No. 546 Dated 23 July 1979, Letter of Instruction No. 1005-A Dated 11 April 1980, Executive Order No. 710 Dated 27 July 1981, Executive Order No. 783 Dated 165 [sic] March 1982, Executive Order No. 159 Dated 13 April 1987. Corporate Communications, Philippine Ports Authority, 1987.