Papua New Guinea. Office of Information. (1975). Papua New Guinea independence celebrations: Visit to Papua New Guinea of his royal highness the prince of Wales, K.G. for independence celebrations 14-19 September, 1975. Government Printer.
Lua i Stíl Chicago (17ú heag.)Papua New Guinea. Office of Information. Papua New Guinea Independence Celebrations: Visit to Papua New Guinea of His Royal Highness the Prince of Wales, K.G. for Independence Celebrations 14-19 September, 1975. [Port Moresby]: Government Printer, 1975.
Lua MLA (9ú heag.)Papua New Guinea. Office of Information. Papua New Guinea Independence Celebrations: Visit to Papua New Guinea of His Royal Highness the Prince of Wales, K.G. for Independence Celebrations 14-19 September, 1975. Government Printer, 1975.