Grotzinger, L. (1971). The Status of "Practicum" in Graduate Library Schools.
Citazione stile Chigago Style (17a edizione)Grotzinger, Laurel. The Status of "Practicum" in Graduate Library Schools. 1971.
Citatione MLA (9a ed.)Grotzinger, Laurel. The Status of "Practicum" in Graduate Library Schools. 1971.
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