APA-referens

Atherton, J. C. (2002). The chips are down for Helicobacter pylori. Copyright 2002 by Gut.

Chicago-stil citat

Atherton, J C. The Chips Are Down for Helicobacter Pylori. Copyright 2002 by Gut, 2002.

MLA-referens

Atherton, J C. The Chips Are Down for Helicobacter Pylori. Copyright 2002 by Gut, 2002.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.