Keller, C. U. (2015). Field Guide to Astronomical Instrumentation. SPIE. https://doi.org/10.1117/3.2064991
Cita Chicago (17th ed.)Keller, Christoph U. Field Guide to Astronomical Instrumentation. SPIE, 2015. https://doi.org/10.1117/3.2064991.
Cita MLA (8th ed.)Keller, Christoph U. Field Guide to Astronomical Instrumentation. SPIE, 2015. https://doi.org/10.1117/3.2064991.
Atenció: Aquestes cites poden no estar 100% correctes.