Παραπομπή σε μορφή APA (7η εκδ.)

Koppel, A., & Ginneken, E. v. (2008). Health systems in transition: Estonia : health system review. World Health Organization. Regional Office for Europe : European Observatory on Health Systems and Policies.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Koppel, Agris, και Ewout van Ginneken. Health Systems in Transition: Estonia : Health System Review. Copenhagen: World Health Organization. Regional Office for Europe : European Observatory on Health Systems and Policies, 2008.

Παραπομπή σε μορφή MLA (8th εκδ.)

Koppel, Agris, και Ewout van Ginneken. Health Systems in Transition: Estonia : Health System Review. World Health Organization. Regional Office for Europe : European Observatory on Health Systems and Policies, 2008.