APA-viite

Chitwood, R. E. (1997). World class selling: The science of selling: The complete selling process.

Chicago-tyylinen lähdeviittaus

Chitwood, Roy E. World Class Selling: The Science of Selling: The Complete Selling Process. Jaico Pub: Mumbai, 1997.

MLA-viite

Chitwood, Roy E. World Class Selling: The Science of Selling: The Complete Selling Process. 1997.