Gray, John <br/><br/>
Children are from heaven:   positive skills for creating cooperative, confident, and compassionate children /  
John Gray 
 - New York :  HarperCollins Publishers,  1986 
 - xxxiii, 357 páginas 
<br/><br/><label>ISBN: </label>0060175656  9780060175658 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crianza de niños<br/>Paternidad(Psicología)
<br/><br/><label>Dewey Class. No.: </label>649.1 G778ch