Lua APA (7ú heag.)

Hays, J. W. (1913). How to cut your coal bill. A.W. Shaw Company.

Lua i Stíl Chicago (17ú heag.)

Hays, Joseph W. How to Cut Your Coal Bill. London: A.W. Shaw Company, 1913.

Lua MLA (9ú heag.)

Hays, Joseph W. How to Cut Your Coal Bill. A.W. Shaw Company, 1913.

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