Lua APA (7ú heag.)

(2005). How steel is made. Manila Times.

Lua i Stíl Chicago (17ú heag.)

"How Steel Is Made." Manila Times 2005.

Lua MLA (9ú heag.)

"How Steel Is Made." Manila Times, 2005.

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