Gaya APA
christopher.cooper, . (2009).
Seri Ensiklopedia IPA Physics Matters Volume 5 Sound .
BANDUNG:
Grolier Educational.
Gaya MLA
christopher.cooper, .
"Seri Ensiklopedia IPA Physics Matters Volume 5 Sound".
BANDUNG:
Grolier Educational,
2009.
Text.