CHARLES, D. D. O. (1997). Air transportation in Nigeria strategies for 21st century. : The Nigeria Stock Exchange.
芝加哥风格引文CHARLES, Diepiriye David Onyiuke. Air Transportation in Nigeria Strategies for 21st Century. : The Nigeria Stock Exchange, 1997.
MLA引文CHARLES, Diepiriye David Onyiuke. Air Transportation in Nigeria Strategies for 21st Century. : The Nigeria Stock Exchange, 1997.
警告：这些引文格式不一定是100％准确.