Berger, Peter L. <br/><br/>
The social construction of reality :  a treatise in the sociology of knowledge / 
by Peter L. Berger and Thomas Luckmann. 
 - London :  Penguin Books.,  1967. 
 - 249 p. ;  23 cm. 
<br/><br/><label>Nat. Bib. No.: </label>B67-22784 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knowledge, Sociology of.
<br/><br/><label>Dewey Class. No.: </label>301/.01