Reyes, T. M. (2001). Boning up on calcium. IN An apple a day [column]. Philippine Star.
Cita Chicago (17th ed.)Reyes, Tyrone M. "Boning Up on Calcium. IN An Apple a Day [column]." Philippine Star 2001.
Cita MLA (9th ed.)Reyes, Tyrone M. "Boning Up on Calcium. IN An Apple a Day [column]." Philippine Star, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.