Hauver, J. H., Goodman, J. A., & Grainer, M. A. (1981). The federal poverty thresholds: Appearance and reality. [s.n.].
Cita Chicago Style (17a ed.)Hauver, James H., John A. Goodman, y Marc A. Grainer. The Federal Poverty Thresholds: Appearance and Reality. [S.l.]: [s.n.], 1981.
Cita MLA (9a ed.)Hauver, James H., et al. The Federal Poverty Thresholds: Appearance and Reality. [s.n.], 1981.
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