Tomey, E. A. C. f. U. P. S. L. U. (1975). Children's play equipment in Pruitt-Igoe, September 1975.
Chicago-viite (17. p.)Tomey, E. Allan.; Center for Urban Programs; St. Louis University. Children's Play Equipment in Pruitt-Igoe, September 1975. 1975.
MLA-viite (8. p.)Tomey, E. Allan.; Center for Urban Programs; St. Louis University. Children's Play Equipment in Pruitt-Igoe, September 1975. 1975.
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