Pujalte, J. (2002). Bone cancer. IN If Symptoms Persist... [column]. Manila Bulletin.
Cita Chicago (17th ed.)Pujalte, Jose. "Bone Cancer. IN If Symptoms Persist... [column]." Manila Bulletin 2002.
Cita MLA (9th ed.)Pujalte, Jose. "Bone Cancer. IN If Symptoms Persist... [column]." Manila Bulletin, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.