Gaya APA
Balaskas, Janet. (1991).
Active birth: The new approach to giving birth naturally .
London:
Grafton Books.
Gaya Chicago
Balaskas, Janet.
Active birth: The new approach to giving birth naturally.
London:
Grafton Books,
1991.
Text.
Gaya MLA
Balaskas, Janet.
Active birth: The new approach to giving birth naturally.
London:
Grafton Books,
1991.
Text.
Gaya Turabian
Balaskas, Janet.
Active birth: The new approach to giving birth naturally.
London:
Grafton Books,
1991.
Print.