Lua APA (7ú heag.)

Tejero, C. (1999). Progressive preschools. Philippine Daily Inquirer.

Lua i Stíl Chicago (17ú heag.)

Tejero, Constantino. "Progressive Preschools." Philippine Daily Inquirer 1999.

Lua MLA (9ú heag.)

Tejero, Constantino. "Progressive Preschools." Philippine Daily Inquirer, 1999.

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