Gaya APA

Out There. (1994). London: Harpercollins.

Gaya Chicago

Out There. . London: Harpercollins, 1994. Buku.

Gaya MLA

Out There. . London: Harpercollins, 1994. Buku.

Gaya Turabian

Out There. London: Harpercollins, 1994. Buku.