Παραπομπή σε μορφή APA (7η εκδ.)

Georgieva, L., Avdeeva, O., & Μόσιαλος, Η. (2007). Health systems in transition: Bulgaria : health system review. World Health Organization. Regional Office for Europe : European Observatory on Health Systems and Policies.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Georgieva, Lidia, Olga Avdeeva, και Ηλίας Μόσιαλος. Health Systems in Transition: Bulgaria : Health System Review. Copenhagen: World Health Organization. Regional Office for Europe : European Observatory on Health Systems and Policies, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

Georgieva, Lidia, et al. Health Systems in Transition: Bulgaria : Health System Review. World Health Organization. Regional Office for Europe : European Observatory on Health Systems and Policies, 2007.