Shayler, D. J. (2018). Gemini Flies!: Unmanned Flights and the First Manned Mission (1st ed. 2018.). Springer International Publishing.
Citace podle Chicago (17th ed.)Shayler, David J. Gemini Flies!: Unmanned Flights and the First Manned Mission. 1st ed. 2018. Cham: Springer International Publishing, 2018.
Citace podle MLA (9th ed.)Shayler, David J. Gemini Flies!: Unmanned Flights and the First Manned Mission. 1st ed. 2018. Springer International Publishing, 2018.
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