Gaya APA

Ashford, Norman. (2011). Airport Engineering : Planning, design, and Development of 21st century airports (4th ed). New Jersey: John Wiley.

Gaya Chicago

Ashford, Norman. Airport Engineering : Planning, design, and Development of 21st century airports. 4th ed New Jersey: John Wiley, 2011. Text.

Gaya MLA

Ashford, Norman. Airport Engineering : Planning, design, and Development of 21st century airports. 4th ed New Jersey: John Wiley, 2011. Text.

Gaya Turabian

Ashford, Norman. Airport Engineering : Planning, design, and Development of 21st century airports. 4th ed New Jersey: John Wiley, 2011. Print.