Gaya APA
HORTON, Richard. ().
The Lancet .
New York:
Saunders Elsevier.
Gaya Chicago
HORTON, Richard.
The Lancet.
New York:
Saunders Elsevier,
.
-.
Gaya MLA
HORTON, Richard.
The Lancet.
New York:
Saunders Elsevier,
.
-.
Gaya Turabian
HORTON, Richard.
The Lancet.
New York:
Saunders Elsevier,
.
-.