Gaya APA
WALKER, Richard. (1998).
Heart : how the blood gets around the body 1 .
London:
Glorier.
Gaya Chicago
WALKER, Richard.
Heart : how the blood gets around the body 1.
London:
Glorier,
1998.
Text.
Gaya MLA
WALKER, Richard.
Heart : how the blood gets around the body 1.
London:
Glorier,
1998.
Text.
Gaya Turabian
WALKER, Richard.
Heart : how the blood gets around the body 1.
London:
Glorier,
1998.
Print.