Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service) & Engin, O. (2015). Colon Polyps and the Prevention of Colorectal Cancer. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service) και Omer Engin. Colon Polyps and the Prevention of Colorectal Cancer. Cham: Springer International Publishing : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service) και Omer Engin. Colon Polyps and the Prevention of Colorectal Cancer. Springer International Publishing : Imprint: Springer, 2015.