Παραπομπή σε μορφή APA (7η εκδ.)

Childs, S. M. (1990). Health information services to the community in the northern region. Information North.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Childs, S. M. Health Information Services to the Community in the Northern Region. Newcastle upon Tyne: Information North, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Childs, S. M. Health Information Services to the Community in the Northern Region. Information North, 1990.