Pasachoff, J. M. (1977). Contemporary astronomy. WB SAUNDERS CO..
Lua i Stíl Chicago (17ú heag.)Pasachoff, Jay M. Contemporary Astronomy. WB SAUNDERS CO., 1977.
Lua MLA (8ú heag.)Pasachoff, Jay M. Contemporary Astronomy. WB SAUNDERS CO., 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.