Puerto Rico. Bureau of Labor Statistics, Jaffe, A. J., & Ortiz, E. F. d. (1952). Results of tests on measuring underemployment in Puerto Rico, June and July 1952. s.n.
Citace podle Chicago (17th ed.)Puerto Rico. Bureau of Labor Statistics, Abram J. Jaffe, a Elydia Fort de Ortiz. Results of Tests on Measuring Underemployment in Puerto Rico, June and July 1952. [San Juan]: s.n, 1952.
Citace podle MLA (9th ed.)Puerto Rico. Bureau of Labor Statistics, et al. Results of Tests on Measuring Underemployment in Puerto Rico, June and July 1952. s.n, 1952.
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