Contreras, V. (2000). Stud farm director backs workers strikes. Philippine Daily Inquirer.
Citazione stile Chigago Style (17a edizione)Contreras, Voltaire. "Stud Farm Director Backs Workers Strikes." Philippine Daily Inquirer 2000.
Citatione MLA (9a ed.)Contreras, Voltaire. "Stud Farm Director Backs Workers Strikes." Philippine Daily Inquirer, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.