American Universities Field Staff, California Institute of Technology. Population Program, Brown, H., & Sweezy, A. R. (1973). Population: Perspective, 1973. Freeman.
Chicago-viite (17. p.)American Universities Field Staff, California Institute of Technology. Population Program, Harrison Brown, ja Alan Richardson Sweezy. Population: Perspective, 1973. San Francisco: Freeman, 1973.
MLA-viite (9. p.)American Universities Field Staff, et al. Population: Perspective, 1973. Freeman, 1973.
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