Cita APA (7th ed.)

ebrary, Inc, & Williamson, A. R. (2009). Medicare: A primer. Nova Science Publishers.

Cita Chicago (17th ed.)

ebrary, Inc, i Alice R. Williamson. Medicare: A Primer. Hauppauge, N.Y.: Nova Science Publishers, 2009.

Cita MLA (9th ed.)

ebrary, Inc, i Alice R. Williamson. Medicare: A Primer. Nova Science Publishers, 2009.