Øster, H. C. (1981). Ngewo, Allah and God: A study in contemporary Mende.
芝加哥风格引文Øster, Hans Christian. Ngewo, Allah and God: A Study in Contemporary Mende. Malmö, 1981.
MLA引文Øster, Hans Christian. Ngewo, Allah and God: A Study in Contemporary Mende. 1981.
警告：这些引文格式不一定是100％准确.