Gaya APA

The World Book Encyclopedia : A Volume 1. (2006). chicago: World book.

Gaya Chicago

The World Book Encyclopedia : A Volume 1. Volume 1. chicago: World book, 2006. Buku.

Gaya MLA

The World Book Encyclopedia : A Volume 1. Volume 1. chicago: World book, 2006. Buku.

Gaya Turabian

The World Book Encyclopedia : A Volume 1. chicago: World book, 2006. Buku.