Dyfyniad APA
ebrary, Inc, & Hoppe, E. (2011). Ethical issues in aviation. Ashgate.
Dyfyniad Arddull Chicago
ebrary, Inc, and Elizabeth Hoppe. Ethical Issues in Aviation. Farnham, Surrey, England ; Burlington, Vt.: Ashgate, 2011.
Dyfyniad MLA
ebrary, Inc, and Elizabeth Hoppe. Ethical Issues in Aviation. Ashgate, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.