APA (7. basım) Alıntı

(1998). Research centers directory (23rd ed.). Gale Research Co.

Chicago Style (17. basım) Atıf

Research Centers Directory. 23rd ed. Detroit, Mich: Gale Research Co, 1998.

MLA (9th ed.) Atıf

Research Centers Directory. 23rd ed. Gale Research Co, 1998.