Lua APA (7ú heag.)

Seeds, M. A. (1990). Foundations of astronomy (1990 edition.). Wadsworth Publishing Company.

Lua i Stíl Chicago (17ú heag.)

Seeds, Michael A. Foundations of Astronomy. 1990 edition. Belmont, California: Wadsworth Publishing Company, 1990.

Lua MLA (8ú heag.)

Seeds, Michael A. Foundations of Astronomy. 1990 edition. Wadsworth Publishing Company, 1990.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.