APA-čujuhus (7. p.)
Harris, P. R. (2009). Space Enterprise: Living and Working Offworld in the 21st Century. Praxis. https://doi.org/10.1007/978-0-387-77640-8
Chicago-čujuhus (17. p.)
Harris, Philip Robert. Space Enterprise: Living and Working Offworld in the 21st Century. New York, NY: Praxis, 2009. https://doi.org/10.1007/978-0-387-77640-8.
MLA-čujuhus (9. p.)
Harris, Philip Robert. Space Enterprise: Living and Working Offworld in the 21st Century. Praxis, 2009. https://doi.org/10.1007/978-0-387-77640-8.
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