Lua APA (7ú heag.)

Cruz, N. . H. (1998). To Vigilar Ramos. IN As I see it [column]: Please spare those trees. Philippine Daily Inquirer.

Lua i Stíl Chicago (17ú heag.)

Cruz, Neal H. "To Vigilar Ramos. IN As I See It [column]: Please Spare Those Trees." Philippine Daily Inquirer 1998.

Lua MLA (9ú heag.)

Cruz, Neal H. "To Vigilar Ramos. IN As I See It [column]: Please Spare Those Trees." Philippine Daily Inquirer, 1998.

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