Dyfyniad APA

Journal of Air Transportation World Wide. University of Nebraska at Omaha.

Dyfyniad Arddull Chicago

Journal of Air Transportation World Wide. University of Nebraska at Omaha.

Dyfyniad MLA

Journal of Air Transportation World Wide. University of Nebraska at Omaha.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.