Perception and the external world /
readings selected, edited and furnished with an introductory essay by R.J. Hirst 
. - New York : Macmillan company, London : Collier-Macmillan limited,  1970 
. - viii, 310 p.  21 cm. 
 - (Problems of philosophy series )
<br/>К.: Бібліогр. в підрядк. прим.