Gaya APA

Boston. (2001). London: Dorling Kindersley.

Gaya Chicago

Boston. . London: Dorling Kindersley, 2001. Buku.

Gaya MLA

Boston. . London: Dorling Kindersley, 2001. Buku.

Gaya Turabian

Boston. London: Dorling Kindersley, 2001. Buku.