Santos, S. (1998). Angelicum College's 25th year: A school that does not give out grades. Philippine Star.
Citazione stile Chigago Style (17a edizione)Santos, Sammy. "Angelicum College's 25th Year: A School That Does Not Give Out Grades." Philippine Star 1998.
Citatione MLA (9a ed.)Santos, Sammy. "Angelicum College's 25th Year: A School That Does Not Give Out Grades." Philippine Star, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.