Gaya APA
Book, W., Registrida, M. (1997).
The World Book Encyclopedia jilid 22 Research Guide Index (Cetakan 1).
USA:
World Book.
Gaya MLA
Book, World., Registrida, Marca.
"The World Book Encyclopedia jilid 22 Research Guide Index".
Cetakan 1
USA:
World Book,
1997.
Text.