Jack, W. (1999). Principles of health economics for developing countries. WBI Development Studies.
Lua i Stíl Chicago (17ú heag.)Jack, William. Principles of Health Economics for Developing Countries. Washington: WBI Development Studies, 1999.
Lua MLA (8ú heag.)Jack, William. Principles of Health Economics for Developing Countries. WBI Development Studies, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.