(1998). Daily calcium requirement. Philippine Star.
Chicago Style (17th ed.) Citation"Daily Calcium Requirement." Philippine Star 1998.
MLA引文"Daily Calcium Requirement." Philippine Star, 1998.
警告：這些引文格式不一定是100％准確.
APA引文
(1998). Daily calcium requirement. Philippine Star.
Chicago Style (17th ed.) Citation"Daily Calcium Requirement." Philippine Star 1998.
MLA引文"Daily Calcium Requirement." Philippine Star, 1998.