Morrison, D. (1978). Asteroids: An exploration assessment. A workshop held at the University of Chicago, January 19 - 21, 1978. National Aeronautics and Space Admission.
Chicago-Zitierstil (17. Ausg.)Morrison, David. Asteroids: An Exploration Assessment. A Workshop Held at the University of Chicago, January 19 - 21, 1978. Washington, DC: National Aeronautics and Space Admission, 1978.
MLA-Zitierstil (9. Ausg.)Morrison, David. Asteroids: An Exploration Assessment. A Workshop Held at the University of Chicago, January 19 - 21, 1978. National Aeronautics and Space Admission, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.