Gaya APA
BECK, Alfred C.. (1958).
Obstetrical Practice (7th ed.).
:
The Williams and Wilkins Company.
Gaya Chicago
BECK, Alfred C..
Obstetrical Practice.
7th ed.
:
The Williams and Wilkins Company,
1958.
Teks.
Gaya MLA
BECK, Alfred C..
Obstetrical Practice.
7th ed.
:
The Williams and Wilkins Company,
1958.
Teks.
Gaya Turabian
BECK, Alfred C..
Obstetrical Practice.
7th ed.
:
The Williams and Wilkins Company,
1958.
Teks.