Παραπομπή σε μορφή APA (7η εκδ.)

GRAVELLS, A. (2014). Achieving your assessor and quality assurance units (TAQA). Sage Publications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

GRAVELLS, Ann. Achieving Your Assessor and Quality Assurance Units (TAQA). Sage Publications, 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

GRAVELLS, Ann. Achieving Your Assessor and Quality Assurance Units (TAQA). Sage Publications, 2014.