Iowa. State Board of Regents. (1956). Report of the State Board of Regents for the biennial period ending ... State of Iowa.
Chicago-viite (17. p.)Iowa. State Board of Regents. Report of the State Board of Regents for the Biennial Period Ending ... Des Moines: State of Iowa, 1956.
MLA-viite (8. p.)Iowa. State Board of Regents. Report of the State Board of Regents for the Biennial Period Ending ... State of Iowa, 1956.
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