Παραπομπή σε μορφή APA (7η εκδ.)

Ferlie, E., Challis, D., & Davies, B. (1989). Efficiency-improving innovations in social care of the elderly. Gower ; PSSRU.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ferlie, Ewan, David Challis, και Bleddyn Davies. Efficiency-improving Innovations in Social Care of the Elderly. Aldershot, Hants, England ; Brookfield, Vt. : Canterbury [England]: Gower ; PSSRU, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ferlie, Ewan, et al. Efficiency-improving Innovations in Social Care of the Elderly. Gower ; PSSRU, 1989.