Castillo, R. L. (2003). Pharmacoeconomics, a new buzz word in healthcare. IN Charter files [column]. Manila Bulletin.
Chicago-referens (17:e uppl.)Castillo, Rebecca Lorenzo. "Pharmacoeconomics, a New Buzz Word in Healthcare. IN Charter Files [column]." Manila Bulletin 2003.
MLA-referens (9:e uppl.)Castillo, Rebecca Lorenzo. "Pharmacoeconomics, a New Buzz Word in Healthcare. IN Charter Files [column]." Manila Bulletin, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.