Dyfyniad APA
ebrary, Inc, & Lebow, C. C. (1999). Safety in the skies: Personnel and parties in NTSB aviation accident investigations. RAND.
Dyfyniad Arddull Chicago
ebrary, Inc, and Cynthia C. Lebow. Safety in the Skies: Personnel and Parties in NTSB Aviation Accident Investigations. Santa Monica, CA: RAND, 1999.
Dyfyniad MLA
ebrary, Inc, and Cynthia C. Lebow. Safety in the Skies: Personnel and Parties in NTSB Aviation Accident Investigations. RAND, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.