APA-viite

Bell, C. R. (2005). Customer Love: Attracting& keeping customers for life.

Chicago-tyylinen lähdeviittaus

Bell, Chip R. Customer Love: Attracting& Keeping Customers for Life. Jaico Pub: Mumbai, 2005.

MLA-viite

Bell, Chip R. Customer Love: Attracting& Keeping Customers for Life. 2005.