Lua APA (7ú heag.)

Não informado. Powder Metallurgy Quarterly. Metal Powder Association.

Lua i Stíl Chicago (17ú heag.)

Não informado. Powder Metallurgy Quarterly. New York: Metal Powder Association.

Lua MLA (8ú heag.)

Não informado. Powder Metallurgy Quarterly. Metal Powder Association.

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