APA (7th ed.) Zitazioa
Otto, M. (2008). Feasibility study and future projections of suborbital space tourism at the example of Virgin Galactic. Diplomica Verlag.
Chicago Style (17th ed.) Zitazioa
Otto, Matthias. Feasibility Study and Future Projections of Suborbital Space Tourism at the Example of Virgin Galactic. Hamburg: Diplomica Verlag, 2008.
MLA (9th ed.) Zitazioa
Otto, Matthias. Feasibility Study and Future Projections of Suborbital Space Tourism at the Example of Virgin Galactic. Diplomica Verlag, 2008.
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