Angeli, G. Modeling, Systems Engineering, and Project Management for Astronomy VI. SPIE Digital Library.
Čikaški stil citiranja (17. izdanje)Angeli, George. Modeling, Systems Engineering, and Project Management for Astronomy VI. SPIE Digital Library.
MLA način citiranja (9. izdanje)Angeli, George. Modeling, Systems Engineering, and Project Management for Astronomy VI. SPIE Digital Library.
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