Dyfyniad APA

330215 Helfrick, A. D. (1984). Modern aviation electronics. Englewood Cliffs, NJ : Prentice-Hall.

Dyfyniad Arddull Chicago

330215 Helfrick, Albert D. Modern Aviation Electronics. Englewood Cliffs, NJ : Prentice-Hall, 1984.

Dyfyniad MLA

330215 Helfrick, Albert D. Modern Aviation Electronics. Englewood Cliffs, NJ : Prentice-Hall, 1984.

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