Tidalgo, R. (1984). The UP salary and the cost of living, 1972 to 1983.
Lua i Stíl Chicago (17ú heag.)Tidalgo, R.L.P. The UP Salary and the Cost of Living, 1972 to 1983. 1984.
Lua MLA (9ú heag.)Tidalgo, R.L.P. The UP Salary and the Cost of Living, 1972 to 1983. 1984.
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