Cunningham, B. V. (1923). The Prognostic Value of a Primary Group Test. Teachers College, Columbia University.
Cita Chicago Style (17a ed.)Cunningham, Bess Virginia. The Prognostic Value of a Primary Group Test. New York: Teachers College, Columbia University, 1923.
Cita MLA (8a ed.)Cunningham, Bess Virginia. The Prognostic Value of a Primary Group Test. Teachers College, Columbia University, 1923.
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