Gaya APA

Harris, M. et al (2006). New Opportunities: Intermediate Students' Book (978-0-582-85415-4). -: Pearson Longman.

Gaya MLA

Harris, Michael. et al. "New Opportunities: Intermediate Students' Book". 978-0-582-85415-4 -: Pearson Longman, 2006. Teks.