Synthesized voice approach callouts for air transport operations /

Chicago citation style
Simpson, Carol A. Synthesized voice approach callouts for air transport operations /. 1980. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011431826. (Accessed December 13, 2018.)
APA citation style
Simpson, Carol A, (1980) Synthesized voice approach callouts for air transport operations /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011431826
MLA citation style
Simpson, Carol A. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011431826>.
Note: These citations are programmatically generated and may be incomplete.