Hayes, A. S. (1968). Language laboratory facilities: Technical guide for their selection, purchase, use, and maintenance.
Styl ChicagoHayes, Alfred S. Language Laboratory Facilities: Technical Guide for Their Selection, Purchase, Use, and Maintenance. London, 1968.
Citace podle MLAHayes, Alfred S. Language Laboratory Facilities: Technical Guide for Their Selection, Purchase, Use, and Maintenance. 1968.
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