@book{172563,
	author = {Kitzinger, Sheila and May, Marcia },
	title = {The complete book of pregnancy and childbirth},
	publisher = {Alfred A. Knopf,},
	year = {1996},
	address = {New York : },
	edition = {1a ed.},
	note = {Incluye apéndice,  glosario e índice}
}