Cita APA (7a ed.)

(2013). Endoscopy international open. Georg Thieme Verlag KG.

Cita Chicago Style (17a ed.)

Endoscopy International Open. Stuttgart: Georg Thieme Verlag KG, 2013.

Cita MLA (9a ed.)

Endoscopy International Open. Georg Thieme Verlag KG, 2013.