DERRICK, J. (1975). Africa’s slaves today. Allen and Unwin.
芝加哥风格引文DERRICK, Jonathan. Africa’s Slaves Today. Allen and Unwin, 1975.
MLA引文DERRICK, Jonathan. Africa’s Slaves Today. Allen and Unwin, 1975.
警告：这些引文格式不一定是100％准确.
APA引文