APA (7th ed.) Zitazioa
Jolliffe, D., & Ziliak, J. P. (2008). Income Volatility and Food Assistance in the United States. W.E. Upjohn Institute for Employment Research.
Chicago Style (17th ed.) Zitazioa
Jolliffe, Dean, eta James Patrick Ziliak. Income Volatility and Food Assistance in the United States. Kalamazoo, Mich: W.E. Upjohn Institute for Employment Research, 2008.
MLA (9th ed.) Zitazioa
Jolliffe, Dean, eta James Patrick Ziliak. Income Volatility and Food Assistance in the United States. W.E. Upjohn Institute for Employment Research, 2008.
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