Lua APA (7ú heag.)

Dumlao, D. C. (2002). Gatchalian sells Fort Ilocandia. Philippine Daily Inquirer.

Lua i Stíl Chicago (17ú heag.)

Dumlao, Doris C. "Gatchalian Sells Fort Ilocandia." Philippine Daily Inquirer 2002.

Lua MLA (9ú heag.)

Dumlao, Doris C. "Gatchalian Sells Fort Ilocandia." Philippine Daily Inquirer, 2002.

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