Gaya APA

M., G., S., L. (2015). Textbook of gastrointestinal radiology / 4th edition volume 2 (4th). Canada: Elsevier Saunders.

Gaya MLA

M., Gore,Richard., S., Levine,Marc. "Textbook of gastrointestinal radiology / 4th edition volume 2". 4th Canada: Elsevier Saunders, 2015. Text.