Bobak, Irene M. Essentials of maternity nursing / Irene M. Bobak, Margaret Duncan Jensen. - St. Louis : Mosby, 1984. - xxvi, 1117 p. : ill. ; 29 cm. ISBN: 080162486X LCCN: 83019518 LC Class. No.: RG951 / .B66 1984 Dewey Class. No.: 610.73/678