Comfort, Alex, M.D., Comfrot, Jane..
The facts of Love: Living, loving and growing up /
Illustrated by H. Pemberton and B. Prosser 
. - New York : Crown Publishers, Inc.,  1979 
. - 128 p.  26 cm. 
<br/>К.: Іл. 
<br/><label>  ISBN: </label>0-517-53839-3