APA aipamena

Keller, C. U. (2015). Field Guide to Astronomical Instrumentation. SPIE. https://doi.org/10.1117/3.2064991

Chicago Style aipamena

Keller, Christoph U. Field Guide to Astronomical Instrumentation. SPIE, 2015. https://doi.org/10.1117/3.2064991.

MLA aipamena

Keller, Christoph U. Field Guide to Astronomical Instrumentation. SPIE, 2015. https://doi.org/10.1117/3.2064991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.