Gaya APA
Walker, R. (2003).
Ensiklopedia Mini Tubuh Manusia (The Little Encyclopedia of the HUman Body) .
Jogjakarta:
Erlangga For Kids.
Gaya MLA
Walker, R..
Ensiklopedia Mini Tubuh Manusia (The Little Encyclopedia of the HUman Body).
Jogjakarta:
Erlangga For Kids,
2003.
.