APA

Burton E., Bragg S., . (2001). Sales and operations for your small business. New York: John Wiley & Song, Inc.

Chicago

Burton E.J, Bragg S.M, . 2001. Sales and operations for your small business. New York: John Wiley & Song, Inc.

Harvard

Burton E., Bragg S., . (2001). Sales and operations for your small business. New York: John Wiley & Song, Inc.

MLA

Burton E.J, Bragg S.M, . Sales and operations for your small business. New York: John Wiley & Song, Inc. 2001.