(1998). An act granting the General Telephone System, Inc., a franchise to construct, establish, install, maintain and operate local exchange network in the provinces of Quezon, Batangas and Laguna ; municipalities of Panacao, Libmanan and Cabusao . Manila Times.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি"An Act Granting the General Telephone System, Inc., a Franchise to Construct, Establish, Install, Maintain and Operate Local Exchange Network in the Provinces of Quezon, Batangas and Laguna ; Municipalities of Panacao, Libmanan and Cabusao ." Manila Times 1998.
M.L.A (9 ম সংস্করণ) উদ্ধৃতি"An Act Granting the General Telephone System, Inc., a Franchise to Construct, Establish, Install, Maintain and Operate Local Exchange Network in the Provinces of Quezon, Batangas and Laguna ; Municipalities of Panacao, Libmanan and Cabusao ." Manila Times, 1998.