Lua APA (7ú heag.)

Solar storms threaten hi-tech civilization. IN Environment & Nature. Manila Bulletin.

Lua i Stíl Chicago (17ú heag.)

"Solar Storms Threaten Hi-tech Civilization. IN Environment & Nature." Manila Bulletin .

Lua MLA (9ú heag.)

"Solar Storms Threaten Hi-tech Civilization. IN Environment & Nature." Manila Bulletin, .

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