Cita APA (7a ed.)
Crain Communications Inc. (1993). Crain's small business (Chicago ed.). Crain Communications.
Cita Chicago Style (17a ed.)
Crain Communications Inc. Crain's Small Business. Chicago ed. Chicago, Ill.: Crain Communications, 1993.
Cita MLA (9a ed.)
Crain Communications Inc. Crain's Small Business. Chicago ed. Crain Communications, 1993.
Precaución: Estas citas no son 100% exactas.