Gaya APA

Economy Update:2009. (2008). New York: [s.n.].

Gaya Chicago

Economy Update:2009. . New York: [s.n.], 2008. Text.

Gaya MLA

Economy Update:2009. . New York: [s.n.], 2008. Text.

Gaya Turabian

Economy Update:2009. New York: [s.n.], 2008. Print.