APA (7e ed.) Bronvermelding
ebrary, Inc, & Álvarez, J. T. (2011). Social security: Background, issues and proposals. Nova Science Publishers.
Chicago (17e ed.) Bronvermelding
ebrary, Inc, en Jacob T. Álvarez. Social Security: Background, Issues and Proposals. New York: Nova Science Publishers, 2011.
MLA (9e ed.) Bronvermelding
ebrary, Inc, en Jacob T. Álvarez. Social Security: Background, Issues and Proposals. Nova Science Publishers, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.