Weihs, J. R. (1976). Problems of Subject Analysis for Audio/Visual Materials in Canadian Libraries.
Citazione stile Chigago Style (17a edizione)Weihs, Jean Riddle. Problems of Subject Analysis for Audio/Visual Materials in Canadian Libraries. 1976.
Citatione MLA (9a ed.)Weihs, Jean Riddle. Problems of Subject Analysis for Audio/Visual Materials in Canadian Libraries. 1976.
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