Reyes, T. M. (2010). Calcium. IN An apple a day [column]: A user's guide. Philippine Star.
Cita Chicago Style (17a ed.)Reyes, Tyrone M. "Calcium. IN An Apple a Day [column]: A User's Guide." Philippine Star 2010.
Cita MLA (9a ed.)Reyes, Tyrone M. "Calcium. IN An Apple a Day [column]: A User's Guide." Philippine Star, 2010.
Precaución: Estas citas no son 100% exactas.