CHARLES, D. D. O. (1997). Air transportation in Nigeria strategies for 21st century. : The Nigeria Stock Exchange.
Citazione stile Chigago Style (17a edizione)CHARLES, Diepiriye David Onyiuke. Air Transportation in Nigeria Strategies for 21st Century. : The Nigeria Stock Exchange, 1997.
Citatione MLA (9a ed.)CHARLES, Diepiriye David Onyiuke. Air Transportation in Nigeria Strategies for 21st Century. : The Nigeria Stock Exchange, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.