APA Citation

(2011). The Directory of business information resources 2011 (18th ed.). New York: Grey House Publishing.

Chicago Style Citation

The Directory of Business Information Resources 2011. 18th ed. New York: Grey House Publishing, 2011.

MLA Citation

The Directory of Business Information Resources 2011. 18th ed. New York: Grey House Publishing, 2011.

Warning: These citations may not always be 100% accurate.