Bibliografiya :  uchebnoy i nauchno-metodicheskoy literatury po russkomu yazyku dlya inostrantsev(dopolnenie k chetvertomu izdaniyu). 
Л. К. Орлеaнскaя. 
 - Moskva :  Nauka,  1969. 
 - 184 p. ; 
<br/><br/><label>ISBN: </label>ISBNRus3248 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural industries
<br/><br/><label>Dewey Class. No.: </label>491.786  / Bi