APA
Gale Research Company, . (2009). Research centers directory. Detroit, Mich: Gale Research Co.
Chicago
Gale Research Company, . 2009. Research centers directory. Detroit, Mich: Gale Research Co.
Harvard
Gale Research Company, . (2009). Research centers directory. Detroit, Mich: Gale Research Co.
MLA
Gale Research Company, . Research centers directory. Detroit, Mich: Gale Research Co. 2009.