Não informado. (2018). Proceedings of the Ghana Academy of Sciences. Secretariat of the Ghana Academy of Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Proceedings of the Ghana Academy of Sciences. Accra: Secretariat of the Ghana Academy of Sciences, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Proceedings of the Ghana Academy of Sciences. Secretariat of the Ghana Academy of Sciences, 2018.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.