Barth, M. C., Carcagno, G. J., & Palmer, J. L. (1974). Toward an effective income support system: Problems, prospects, and choices. University of Wisconsin.
Chicago Style (17th ed.) ZitazioaBarth, Michael C., George J. Carcagno, eta John L. Palmer. Toward an Effective Income Support System: Problems, Prospects, and Choices. Madison: University of Wisconsin, 1974.
MLA (9th ed.) ZitazioaBarth, Michael C., et al. Toward an Effective Income Support System: Problems, Prospects, and Choices. University of Wisconsin, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.