Fry (George) and Associates, I. (1961). Circulation system selection manual. Chicago: Library Technology Program, ALA.
Citación estilo ChicagoFry (George) and Associates, Inc. Circulation System Selection Manual. Chicago: Library Technology Program, ALA, 1961.
Cita MLAFry (George) and Associates, Inc. Circulation System Selection Manual. Chicago: Library Technology Program, ALA, 1961.
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