Gaya APA
Walker, Richard. (2004).
The Heart in Action .
Malaysia:
Grolier.
Gaya Chicago
Walker, Richard.
The Heart in Action.
Malaysia:
Grolier,
2004.
Text.
Gaya MLA
Walker, Richard.
The Heart in Action.
Malaysia:
Grolier,
2004.
Text.
Gaya Turabian
Walker, Richard.
The Heart in Action.
Malaysia:
Grolier,
2004.
Print.