Gaya APA
Walker, Richard. (1998).
Heart : Under the Microscope 1 .
Danbury:
Grolier.
Gaya Chicago
Walker, Richard.
Heart : Under the Microscope 1.
Danbury:
Grolier,
1998.
Text.
Gaya MLA
Walker, Richard.
Heart : Under the Microscope 1.
Danbury:
Grolier,
1998.
Text.
Gaya Turabian
Walker, Richard.
Heart : Under the Microscope 1.
Danbury:
Grolier,
1998.
Print.