בקשת ציטוטים
APA ציטוט
ebrary, Inc, Greenberg, J. S., & Hertzfeld, H. (1992). Space economics. American Institute of Aeronautics and Astronautics.
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Chicago Style (17th ed.) Citation
ebrary, Inc, Joel S. Greenberg, and Henry Hertzfeld. Space Economics. Washington, D.C.: American Institute of Aeronautics and Astronautics, 1992.
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ציטוט MLA
ebrary, Inc, et al. Space Economics. American Institute of Aeronautics and Astronautics, 1992.
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אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.