CHARLES, D. D. O. (1997). Air transportation in Nigeria strategies for 21st century. : The Nigeria Stock Exchange.
Chicagoスタイル(17版)引用形式CHARLES, Diepiriye David Onyiuke. Air Transportation in Nigeria Strategies for 21st Century. : The Nigeria Stock Exchange, 1997.
MLA(9版)引用形式CHARLES, Diepiriye David Onyiuke. Air Transportation in Nigeria Strategies for 21st Century. : The Nigeria Stock Exchange, 1997.
警告: この引用は必ずしも正確ではありません.