APA引文

ebrary, Inc, & Álvarez, J. T. (2011). Social security: Background, issues and proposals. Nova Science Publishers.

Chicago Style (17th ed.) Citation

ebrary, Inc, and Jacob T. Álvarez. Social Security: Background, Issues and Proposals. New York: Nova Science Publishers, 2011.

MLA引文

ebrary, Inc, and Jacob T. Álvarez. Social Security: Background, Issues and Proposals. Nova Science Publishers, 2011.