Gaya APA

M., G., S., L. (2015). Textbook of gastrointestinal radiology/4th edition volume 1 (4th). Canada: Elsevier Saunders.

Gaya MLA

M., Gore,Richard., S., Levine,Marc. "Textbook of gastrointestinal radiology/4th edition volume 1". 4th Canada: Elsevier Saunders, 2015. Text.