Dyfyniad APA

ebrary, Inc, Pollard, T., & Banks, I. (2008). Bastions and barbed wire. Boston [Mass.] : Brill.

Dyfyniad Arddull Chicago

ebrary, Inc, Tony Pollard, and Iain Banks. Bastions and Barbed Wire. Leiden: Boston [Mass.] : Brill, 2008.

Dyfyniad MLA

ebrary, Inc, et al. Bastions and Barbed Wire. Boston [Mass.] : Brill, 2008.

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