Emme, E. M. (1961). Aeronautics and astronautics: An american chronology of science and technology in the exploration of space ; 1915 - 1960. US Gov. Print. Off..
Chicago-Zitierstil (17. Ausg.)Emme, Eugene M. Aeronautics and Astronautics: An American Chronology of Science and Technology in the Exploration of Space ; 1915 - 1960. Washington, DC: US Gov. Print. Off., 1961.
MLA-Zitierstil (8. Ausg.)Emme, Eugene M. Aeronautics and Astronautics: An American Chronology of Science and Technology in the Exploration of Space ; 1915 - 1960. US Gov. Print. Off., 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.