Cita APA (7th ed.)

SpringerLink (Online service) & Gainer, M. K. (2007). Real astronomy with smal telescopes: Step-by-step activities for discovery. Springer-Verlag London Limited.

Cita Chicago (17th ed.)

SpringerLink (Online service) i Michael K. Gainer. Real Astronomy with Smal Telescopes: Step-by-step Activities for Discovery. London: Springer-Verlag London Limited, 2007.

Cita MLA (8th ed.)

SpringerLink (Online service) i Michael K. Gainer. Real Astronomy with Smal Telescopes: Step-by-step Activities for Discovery. Springer-Verlag London Limited, 2007.