Παραπομπή σε μορφή APA (7η εκδ.)

Evans V. Virginia & Dooley J. Jenny. (2009). Upstream. Pre-intermediate B1. Test booklet & workbook. Newbury, Express Publishing, 2009.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Evans V. Virginia και Dooley J. Jenny. Upstream. Pre-intermediate B1. Test Booklet & Workbook. Newbury, Express Publishing, 2009, 2009.

Παραπομπή σε μορφή MLA (9th εκδ.)

Evans V. Virginia και Dooley J. Jenny. Upstream. Pre-intermediate B1. Test Booklet & Workbook. Newbury, Express Publishing, 2009, 2009.