Gaya APA
Verney, Helen. (1987).
Varney's Midwifery (3).
London:
EGC.
Gaya Chicago
Verney, Helen.
Varney's Midwifery.
3
London:
EGC,
1987.
.
Gaya MLA
Verney, Helen.
Varney's Midwifery.
3
London:
EGC,
1987.
.
Gaya Turabian
Verney, Helen.
Varney's Midwifery.
3
London:
EGC,
1987.
.