Gaya APA
Varney, H.
(1997).
Varney's Midwifery, Third Edition
(
3)
.
London:
Jones and Bartlett Publihers.
Gaya MLA
Varney, Helen.
"Varney's Midwifery, Third Edition".
3
London:
Jones and Bartlett Publihers,
1997.
Text.