Newcomb, S., & Holden, E. S. (1879). Astronomy for schools and colleges. H. Holt and company.
Lua i Stíl Chicago (17ú heag.)Newcomb, Simon, agus Edward Singleton Holden. Astronomy for Schools and Colleges. New York: H. Holt and company, 1879.
Lua MLA (8ú heag.)Newcomb, Simon, agus Edward Singleton Holden. Astronomy for Schools and Colleges. H. Holt and company, 1879.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.