Dyfyniad APA

Bruce, S., & Rafoth, B. (2009). Esl writers: Guide for writing center tutors (Second edition.). Boynton/Cook Publishers.

Dyfyniad Arddull Chicago

Bruce, Shanti, and Ben Rafoth. Esl Writers: Guide for Writing Center Tutors. Second edition. Portsmouth, NH: Boynton/Cook Publishers, 2009.

Dyfyniad MLA

Bruce, Shanti, and Ben Rafoth. Esl Writers: Guide for Writing Center Tutors. Second edition. Boynton/Cook Publishers, 2009.

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