Lua APA (7ú heag.)

Añonuevo, E. P. C. (2006). Petron to spend bulk of capex on petrochemicals. Manila Times.

Lua i Stíl Chicago (17ú heag.)

Añonuevo, Euan Paulo C. "Petron to Spend Bulk of Capex on Petrochemicals." Manila Times 2006.

Lua MLA (9ú heag.)

Añonuevo, Euan Paulo C. "Petron to Spend Bulk of Capex on Petrochemicals." Manila Times, 2006.

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