Gaya APA
Paul A Gazzolo, dkk. (2008).
The World Book of Encyclopedia volume 21: W.X.Y.Z .
Chicago:
World Book.
Gaya Chicago
Paul A Gazzolo, dkk.
The World Book of Encyclopedia volume 21: W.X.Y.Z.
Chicago:
World Book,
2008.
Text.
Gaya MLA
Paul A Gazzolo, dkk.
The World Book of Encyclopedia volume 21: W.X.Y.Z.
Chicago:
World Book,
2008.
Text.
Gaya Turabian
Paul A Gazzolo, dkk.
The World Book of Encyclopedia volume 21: W.X.Y.Z.
Chicago:
World Book,
2008.
Print.