Style de citation APA

(2002). 20 common problems in gastroenterology. New York: McGraw-Hill.

Style de citation Chicago

20 Common Problems in Gastroenterology. New York: McGraw-Hill, 2002.

Style de citation MLA

20 Common Problems in Gastroenterology. New York: McGraw-Hill, 2002.

Attention : ces citations peuvent ne pas être correctes à 100%.