MLA
Goehlich, Robert A. "Space Tourism: Hurdles and Hopes." IJASOT vol.1, no.1 2014: pp.17-34. http://doi.org/10.4018/ijasot.2014010103
APA
Goehlich, R. A. (2014). Space Tourism: Hurdles and Hopes. International Journal of Aviation Systems, Operations and Training (IJASOT), 1(1), 17-34. http://doi.org/10.4018/ijasot.2014010103
Chicago
Goehlich, Robert A. "Space Tourism: Hurdles and Hopes," International Journal of Aviation Systems, Operations and Training (IJASOT) 1, no.1: 17-34. http://doi.org/10.4018/ijasot.2014010103
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