Dyfyniad APA

McCarter, S., Easton, J., & Ash, J. (2014). A book for IELTS. IntelliGene.

Dyfyniad Arddull Chicago

McCarter, Sam, Julie Easton, và Judith Ash. A Book for IELTS. IntelliGene, 2014.

Dyfyniad MLA

McCarter, Sam, Julie Easton, và Judith Ash. A Book for IELTS. IntelliGene, 2014.

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