Rapp, D. (2018). Use of extraterrestrial resources for human space missions to Moon or Mars (Second edition.). Springer International Publishing AG. https://doi.org/10.1007/978-3-319-72694-6
Lua i Stíl Chicago (17ú heag.)Rapp, Donald. Use of Extraterrestrial Resources for Human Space Missions to Moon or Mars. Second edition. Cham: Springer International Publishing AG, 2018. https://doi.org/10.1007/978-3-319-72694-6.
Lua MLA (9ú heag.)Rapp, Donald. Use of Extraterrestrial Resources for Human Space Missions to Moon or Mars. Second edition. Springer International Publishing AG, 2018. https://doi.org/10.1007/978-3-319-72694-6.
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