Institute of Papua New Guinea Studies & Kasaipwalova, J. (1978). Yaulabuta, Kolupa, deli Lekolekwa (pilatolu Kilivila wosimwaya). Institute of Papua New Guinea Studies.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInstitute of Papua New Guinea Studies और John Kasaipwalova. Yaulabuta, Kolupa, Deli Lekolekwa (pilatolu Kilivila Wosimwaya). Port Moresby: Institute of Papua New Guinea Studies, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInstitute of Papua New Guinea Studies और John Kasaipwalova. Yaulabuta, Kolupa, Deli Lekolekwa (pilatolu Kilivila Wosimwaya). Institute of Papua New Guinea Studies, 1978.
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