APA (7th ed.) Citation

Papua New Guinea. (1980). The first 25 years: P & T's silver jubilee of service to the nation. Dept. of Public Utilities.

Chicago Style (17th ed.) Citation

Papua New Guinea. The First 25 Years: P & T's Silver Jubilee of Service to the Nation. [Port Moresby]: Dept. of Public Utilities, 1980.

MLA (9th ed.) Citation

Papua New Guinea. The First 25 Years: P & T's Silver Jubilee of Service to the Nation. Dept. of Public Utilities, 1980.