Spiegelberg, Herbert.
The phenomenological movement a historical introduction /
Herbert Spiegelberg 
. - 2nd edition 
. - The Hague  : Martinus Nijhoff,  1965- 
. - chapter  24 cm. 
 - (Phaenomenologica  ; 5-6 )
<br/> Chapter 14. The Essentials of the phenomenological method  <br/>  <br/>