330215 Helfrick, A. D. (1984). Modern aviation electronics. Englewood Cliffs, NJ : Prentice-Hall.
Chicago Style (17th ed.) Citation330215 Helfrick, Albert D. Modern Aviation Electronics. Englewood Cliffs, NJ : Prentice-Hall, 1984.
MLA引文330215 Helfrick, Albert D. Modern Aviation Electronics. Englewood Cliffs, NJ : Prentice-Hall, 1984.
警告:這些引文格式不一定是100%准確.