Gaya APA
Varney, Helen. (1987).
VARNEY'S MIDWIFERY (3).
Boston:
Blackwell Scientific.
Gaya Chicago
Varney, Helen.
VARNEY'S MIDWIFERY.
3
Boston:
Blackwell Scientific,
1987.
Text.
Gaya MLA
Varney, Helen.
VARNEY'S MIDWIFERY.
3
Boston:
Blackwell Scientific,
1987.
Text.
Gaya Turabian
Varney, Helen.
VARNEY'S MIDWIFERY.
3
Boston:
Blackwell Scientific,
1987.
Print.