Santiago, R. (1999). The National Osteoporosis awareness week. Manila Bulletin.
Chicagoスタイル(17版)引用形式Santiago, Roni. "The National Osteoporosis Awareness Week." Manila Bulletin 1999.
MLA(9版)引用形式Santiago, Roni. "The National Osteoporosis Awareness Week." Manila Bulletin, 1999.
警告: この引用は必ずしも正確ではありません.