Cita APA (7a ed.)
(1984). Directory of Business and Financial Services (8. ed.). Special Libraries Association.
Cita Chicago Style (17a ed.)
Directory of Business and Financial Services. 8. ed. New York: Special Libraries Association, 1984.
Cita MLA (9a ed.)
Directory of Business and Financial Services. 8. ed. Special Libraries Association, 1984.
Precaución: Estas citas no son 100% exactas.