Dyfyniad APA

Santiago, R. (1999). The National Osteoporosis awareness week. Manila Bulletin.

Dyfyniad Arddull Chicago

Santiago, Roni. "The National Osteoporosis Awareness Week." Manila Bulletin 1999.

Dyfyniad MLA

Santiago, Roni. "The National Osteoporosis Awareness Week." Manila Bulletin, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.