(2001). SSS salutes the Filipino workers: A steadfast commitment to Social Security. Philippine Star.
Chicago Style aipamena"SSS Salutes the Filipino Workers: A Steadfast Commitment to Social Security." Philippine Star 2001.
MLA aipamena"SSS Salutes the Filipino Workers: A Steadfast Commitment to Social Security." Philippine Star, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.