Gaya APA
Hellen Varney, dkk. (2004).
Varney's Midwifery .
london:
Jones and Bartlett Publisher.
Gaya Chicago
Hellen Varney, dkk.
Varney's Midwifery.
london:
Jones and Bartlett Publisher,
2004.
E-Book.
Gaya MLA
Hellen Varney, dkk.
Varney's Midwifery.
london:
Jones and Bartlett Publisher,
2004.
E-Book.
Gaya Turabian
Hellen Varney, dkk.
Varney's Midwifery.
london:
Jones and Bartlett Publisher,
2004.
E-Book.