Dyfyniad APA

(1973). Accidents involving engine failure/malfunction, U.S. general aviation, 1965-1969 ; special study.

Dyfyniad Arddull Chicago

Accidents Involving Engine Failure/malfunction, U.S. General Aviation, 1965-1969 ; Special Study. 1973.

Dyfyniad MLA

Accidents Involving Engine Failure/malfunction, U.S. General Aviation, 1965-1969 ; Special Study. 1973.

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