APA (7. basım) Alıntı

Gale Group, Gale Research Company, & Thomson Gale (Firm). (1989). Government research directory (5th ed.). Gale Research Co.

Chicago Style (17. basım) Atıf

Gale Group, Gale Research Company, ve Thomson Gale (Firm). Government Research Directory. 5th ed. Detroit, Mich: Gale Research Co, 1989.

MLA (9th ed.) Atıf

Gale Group, et al. Government Research Directory. 5th ed. Gale Research Co, 1989.