Cita APA (7th ed.)

ebrary, Inc, & Berényi, A. (2010). Physician supply and demand. Nova Science.

Cita Chicago (17th ed.)

ebrary, Inc, i Adam Berényi. Physician Supply and Demand. Hauppauge, N.Y.: Nova Science, 2010.

Cita MLA (9th ed.)

ebrary, Inc, i Adam Berényi. Physician Supply and Demand. Nova Science, 2010.