Lua APA (7ú heag.)

Gonzales, S. R. O. (1999). Earth's population to hit 6B next month. Philippine Daily Inquirer.

Lua i Stíl Chicago (17ú heag.)

Gonzales, Stella Ruth O. "Earth's Population to Hit 6B Next Month." Philippine Daily Inquirer 1999.

Lua MLA (9ú heag.)

Gonzales, Stella Ruth O. "Earth's Population to Hit 6B Next Month." Philippine Daily Inquirer, 1999.

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