Gaya APA
Walker, Richard. (2005).
Heart: How The Blood Gets Around the Body .
Danbury:
Grolier International.
Gaya Chicago
Walker, Richard.
Heart: How The Blood Gets Around the Body.
Danbury:
Grolier International,
2005.
Text.
Gaya MLA
Walker, Richard.
Heart: How The Blood Gets Around the Body.
Danbury:
Grolier International,
2005.
Text.
Gaya Turabian
Walker, Richard.
Heart: How The Blood Gets Around the Body.
Danbury:
Grolier International,
2005.
Print.