Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ebner, Maria, και 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.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ebner, Maria, και 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.