Usongo, K. (2014). Ruminations of Ipome. Langaa Research & Publishing CIG.
芝加哥风格引文Usongo, Kenneth. Ruminations of Ipome. Bamenda, Cameroon: Langaa Research & Publishing CIG, 2014.
MLA引文Usongo, Kenneth. Ruminations of Ipome. Langaa Research & Publishing CIG, 2014.
警告：这些引文格式不一定是100％准确.