Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.