Ebner, M., & Heardman, H. A. w. t. n. c. (1973). A way to natural childbirth: A manual for physiotherapists and parents-to-be (3rd ed.). Churchill Livingstone.
Čikaški stil citiranja (17. izdanje)Ebner, Maria, i Helen. A way to natural childbirth Heardman. A Way to Natural Childbirth: A Manual for Physiotherapists and Parents-to-be. 3rd ed. Edinburgh: Churchill Livingstone, 1973.
MLA način citiranja (9. izdanje)Ebner, Maria, i Helen. A way to natural childbirth Heardman. A Way to Natural Childbirth: A Manual for Physiotherapists and Parents-to-be. 3rd ed. Churchill Livingstone, 1973.
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