एपीए उद्धरण

Hughes, G. (2020). Ipsative Assessment and Personal Learning Gain. 1st ed. 2017. Palgrave Macmillan UK.

शिकागो स्टाइल उद्धरण

Hughes, Gwyneth. Ipsative Assessment and Personal Learning Gain. 1st Ed. 2017. Palgrave Macmillan UK, 2020.

एमएलए उद्धरण

Hughes, Gwyneth. Ipsative Assessment and Personal Learning Gain. 1st Ed. 2017. Palgrave Macmillan UK, 2020.