Gaya APA
Sweet, Betty R.. (1991).
Mayes' midwifery a textbook for midwives 11th edition (Edisi kesebelas).
London:
ELBS.
Gaya Chicago
Sweet, Betty R..
Mayes' midwifery a textbook for midwives 11th edition.
Edisi kesebelas
London:
ELBS,
1991.
Buku Teks.
Gaya MLA
Sweet, Betty R..
Mayes' midwifery a textbook for midwives 11th edition.
Edisi kesebelas
London:
ELBS,
1991.
Buku Teks.
Gaya Turabian
Sweet, Betty R..
Mayes' midwifery a textbook for midwives 11th edition.
Edisi kesebelas
London:
ELBS,
1991.
Buku Teks.