King, R. R. (1999). A time to sing: A manual for the African church. Evangel Publishing House.
芝加哥风格引文King, Robert R. A Time to Sing: A Manual for the African Church. Nairobi: Evangel Publishing House, 1999.
MLA引文King, Robert R. A Time to Sing: A Manual for the African Church. Evangel Publishing House, 1999.
警告：这些引文格式不一定是100％准确.