APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.