Kippley, John F..
The art of natural family planning /
John F. Kippley, Sheila K. Kippley ; foreword by Konald A. Prem 
. - 4th edition 
. - Cincinnati : Couple to Couple League International, Inc.,  2004 
. - xviii, 512 p.  ill., schem.  23 cm.  1 дод. (14 л. табл.) 
<br/><br/> Назва додатку : Daily observation charts: a booklet of 14 sympto-thermal charts, normally a year's supply.
<br/>К.: Бібліогр. в підрядк. прим., Index 
<br/><label>  ISBN: </label>0-926412-13-2