Hermoso, C. I. (1997). Exercise - important factor in mid-years. Manila Bulletin.
Chicago Style aipamenaHermoso, Christina I. "Exercise - Important Factor in Mid-years." Manila Bulletin 1997.
MLA aipamenaHermoso, Christina I. "Exercise - Important Factor in Mid-years." Manila Bulletin, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.