North Carolina. University, Carolina Population Center, & Price, D. O. (1967). The 99th hour: The population crisis in the United States. University of North Carolina Press.
Citace podle Chicago (17th ed.)North Carolina. University, Carolina Population Center, a Daniel O. Price. The 99th Hour: The Population Crisis in the United States. Chapel Hill: University of North Carolina Press, 1967.
Citace podle MLA (9th ed.)North Carolina. University, et al. The 99th Hour: The Population Crisis in the United States. University of North Carolina Press, 1967.
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