Heppenheimer, T. A. (1999). How the Soviets didn't beat us to the moon: At the start of the 1960s, the Soviet Union ..
Chicago-Zitierstil (17. Ausg.)Heppenheimer, T. A. How the Soviets Didn't Beat Us to the Moon: At the Start of the 1960s, the Soviet Union .. 1999.
MLA-Zitierstil (9. Ausg.)Heppenheimer, T. A. How the Soviets Didn't Beat Us to the Moon: At the Start of the 1960s, the Soviet Union .. 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.