Nyerere Julius K. (1980). Ujamaa ni imani 4: Uwezo tunao. East African Publishing House.
芝加哥风格引文Nyerere Julius K. Ujamaa Ni Imani 4: Uwezo Tunao. Dar es Salaam: East African Publishing House, 1980.
MLA引文Nyerere Julius K. Ujamaa Ni Imani 4: Uwezo Tunao. East African Publishing House, 1980.
警告：这些引文格式不一定是100％准确.