(1999). Environmental management: How far than the road are you. Philippine Daily Inquirer.
Citazione stile Chigago Style (17a edizione)"Environmental Management: How Far than the Road Are You." Philippine Daily Inquirer 1999.
Citatione MLA (9a ed.)"Environmental Management: How Far than the Road Are You." Philippine Daily Inquirer, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.