Cooray, P. G. (2013). The Geological Sciences in the Service of Nigeria. University of Ife Press.
芝加哥风格引文Cooray, P. G. The Geological Sciences in the Service of Nigeria. University of Ife Press, 2013.
MLA引文Cooray, P. G. The Geological Sciences in the Service of Nigeria. University of Ife Press, 2013.
警告：这些引文格式不一定是100％准确.