Mkapa Benjamin William. (2019). My life, my purpose. Mkuki na Nyota.
芝加哥风格引文Mkapa Benjamin William. My Life, My Purpose. Dar es Salaam: Mkuki na Nyota, 2019.
MLA引文Mkapa Benjamin William. My Life, My Purpose. Mkuki na Nyota, 2019.
警告：这些引文格式不一定是100％准确.