APA način citiranja (7. izdanje)
ebrary, Inc, Greenberg, J. S., & Hertzfeld, H. (1992). Space economics. American Institute of Aeronautics and Astronautics.
Čikaški stil citiranja (17. izdanje)
ebrary, Inc, Joel S. Greenberg, i Henry Hertzfeld. Space Economics. Washington, D.C.: American Institute of Aeronautics and Astronautics, 1992.
MLA način citiranja (9. izdanje)
ebrary, Inc, et al. Space Economics. American Institute of Aeronautics and Astronautics, 1992.
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