University, U. c. S. L. (1973). Equipment in a Parks College room, March 1973.
Čikaški stil citiranja (17. izdanje)University, Unknown creator; St. Louis. Equipment in a Parks College Room, March 1973. 1973.
MLA način citiranja (8. izdanje)University, Unknown creator; St. Louis. Equipment in a Parks College Room, March 1973. 1973.
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