Salmon, A., Shayler, D. J., & Shayler, M. D. (2005). Marswalk one: First steps on a new planet. Praxis Publishing Ltd..
Lua i Stíl Chicago (17ú heag.)Salmon, Andrew, David J. Shayler, agus Michael D. Shayler. Marswalk One: First Steps on a New Planet. Chichester: Praxis Publishing Ltd., 2005.
Lua MLA (8ú heag.)Salmon, Andrew, et al. Marswalk One: First Steps on a New Planet. Praxis Publishing Ltd., 2005.
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