SpringerLink (Online service) & Gainer, M. K. (2007). Real astronomy with smal telescopes: Step-by-step activities for discovery. Springer-Verlag London Limited.
Lua i Stíl Chicago (17ú heag.)SpringerLink (Online service) agus Michael K. Gainer. Real Astronomy with Smal Telescopes: Step-by-step Activities for Discovery. London: Springer-Verlag London Limited, 2007.
Lua MLA (8ú heag.)SpringerLink (Online service) agus Michael K. Gainer. Real Astronomy with Smal Telescopes: Step-by-step Activities for Discovery. Springer-Verlag London Limited, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.