Contreras, V. (2000). Stud farm director backs workers strikes. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Contreras, Voltaire. "Stud Farm Director Backs Workers Strikes." Philippine Daily Inquirer 2000.
Lua MLA (9ú heag.)Contreras, Voltaire. "Stud Farm Director Backs Workers Strikes." Philippine Daily Inquirer, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.