Dyfyniad APA

González Ramírez, C. (2015). English for Specific Purposes: Brief History and Definitions.

Dyfyniad Arddull Chicago

González Ramírez, Carolina. English for Specific Purposes: Brief History and Definitions. 2015.

Dyfyniad MLA

González Ramírez, Carolina. English for Specific Purposes: Brief History and Definitions. 2015.

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