Oryshkewych, Ostap E..
The American Schools in the past and present and The modern method of teaching foreign languages /
Ostap E. Oryshkewych ; foreword by J.M. Rogers, Harry P. Whiting 
. - Washington : St. Clement University,  1979 
. - xxi, 233 p.  23 cm. 
<br/>К.: Бібліогр. : с. 211-226 
<br/><label>  ISBN: </label>0-9601952-0-3 (v. 6, 7)