APA-referens (7:e uppl.)

Chante, C. C. (2001). Endosonography can be useful for diagnosing biliary obstruction. IN Your dose of medicine [column]. Philippine Star.

Chicago-referens (17:e uppl.)

Chante, Charles C. "Endosonography Can Be Useful for Diagnosing Biliary Obstruction. IN Your Dose of Medicine [column]." Philippine Star 2001.

MLA-referens (9:e uppl.)

Chante, Charles C. "Endosonography Can Be Useful for Diagnosing Biliary Obstruction. IN Your Dose of Medicine [column]." Philippine Star, 2001.