Citace podle APA (7th ed.)
Smith, L. F. (1960). A predictive study of first semester university of Portland freshman English and grade-point averages using eight selected variables. University of Portland.
Citace podle Chicago (17th ed.)
Smith, Leslie Frederick. A Predictive Study of First Semester University of Portland Freshman English and Grade-point Averages Using Eight Selected Variables. Portland: University of Portland, 1960.
Citace podle MLA (9th ed.)
Smith, Leslie Frederick. A Predictive Study of First Semester University of Portland Freshman English and Grade-point Averages Using Eight Selected Variables. University of Portland, 1960.
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