Sales, A. S. (2005). Prices of medicine to fall amidst generic competition as 10,000 drug patents laps. IN Sales talk [column]. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)Sales, Arthur S. "Prices of Medicine to Fall Amidst Generic Competition as 10,000 Drug Patents Laps. IN Sales Talk [column]." Manila Bulletin 2005.
Citatione MLA (9a ed.)Sales, Arthur S. "Prices of Medicine to Fall Amidst Generic Competition as 10,000 Drug Patents Laps. IN Sales Talk [column]." Manila Bulletin, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.