Tubeza, P. C. (2010). Studies show working the night shift may cause cancer, says NGO. Philippine Daily Inquirer.
Citación estilo ChicagoTubeza, Philip Cesar. "Studies Show Working the Night Shift May Cause Cancer, Says NGO." Philippine Daily Inquirer 2010.
Cita MLATubeza, Philip Cesar. "Studies Show Working the Night Shift May Cause Cancer, Says NGO." Philippine Daily Inquirer, 2010.
Warning: These citations may not always be 100% accurate.