Dyfyniad APA

SpringerLink (Online service), Castelguidone, E. d. L. d., & Messina, A. (2011). GISTs-- Gastrointestinal stromal tumors. Springer.

Dyfyniad Arddull Chicago

SpringerLink (Online service), Elisabetta de Lutio di Castelguidone, and Antonella Messina. GISTs-- Gastrointestinal Stromal Tumors. Milano: Springer, 2011.

Dyfyniad MLA

SpringerLink (Online service), et al. GISTs-- Gastrointestinal Stromal Tumors. Springer, 2011.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.