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.
Παραπομπή σε μορφή Chicago (17η εκδ.)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.
Παραπομπή σε μορφή MLA (9th εκδ.)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.