Santos, S. (1998). Angelicum College's 25th year: A school that does not give out grades. Philippine Star.
Chicago-viite (17. p.)Santos, Sammy. "Angelicum College's 25th Year: A School That Does Not Give Out Grades." Philippine Star 1998.
MLA-viite (9. p.)Santos, Sammy. "Angelicum College's 25th Year: A School That Does Not Give Out Grades." Philippine Star, 1998.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.