Lua APA (7ú heag.)

Steele, J. D. (1869). Fourteen weeks in descriptive astronomy. A.S. Barnes & Co..

Lua i Stíl Chicago (17ú heag.)

Steele, Joel Dorman. Fourteen Weeks in Descriptive Astronomy. New York: A.S. Barnes & Co., 1869.

Lua MLA (8ú heag.)

Steele, Joel Dorman. Fourteen Weeks in Descriptive Astronomy. A.S. Barnes & Co., 1869.

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